{"id":1675,"date":"2026-05-28T08:21:54","date_gmt":"2026-05-28T08:21:54","guid":{"rendered":"https:\/\/lean-app.com\/?p=1675"},"modified":"2026-09-05T10:53:10","modified_gmt":"2026-09-05T10:53:10","slug":"effet-thermique-des-aliments","status":"publish","type":"post","link":"https:\/\/lean-app.com\/nl\/effet-thermique-des-aliments\/","title":{"rendered":"Thermisch effect van voeding (TEF): waarom Lean 69 kcal berekent die andere apps negeren"},"content":{"rendered":"<link rel=\"preload\" as=\"image\" href=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_depense.webp\" fetchpriority=\"low\">\n<style id=\"lvm-shell-styles\">#lvm-shell{\n  --bg:#FFFFFF; --paper:#F7F6F2; --paper-2:#F1EFE7;\n  --ink:#0E0E10; --ink-2:#1D1D1F; --muted:#6E6E73; --dim:#86868B;\n  --rule:#E8E6DF; --rule-soft:#EFEDE5;\n  --pink:#FF2D6E; --pink-soft:rgba(255,45,110,0.06);\n  --mfp:#A8A192;\n  --green:#0F8F5C; --red:#D02E2E; --amber:#C8A019;\n  --font-display:-apple-system,\"SF Pro 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.lbl{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}\n#lvm-shell .snippet p{margin:0;font-family:var(--font-display);font-size:21px;line-height:1.45;color:var(--ink);font-weight:500;letter-spacing:-.012em}\n\n#lvm-shell section{padding:64px 0;border-bottom:1px solid var(--rule-soft)}\n#lvm-shell section:last-of-type{border-bottom:0}\n#lvm-shell .section-label{display:flex;align-items:center;gap:14px;margin-bottom:30px}\n#lvm-shell .section-label .bar{width:24px;height:1px;background:var(--pink)}\n#lvm-shell .section-label .num{font-family:var(--font-mono);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--pink)}\n#lvm-shell h2{font-family:var(--font-display);font-weight:600;font-size:48px;line-height:1.05;letter-spacing:-.035em;color:var(--ink);margin:0 0 24px}\n#lvm-shell 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.fig-cap strong{color:var(--ink);font-weight:600}\n#lvm-shell .cv-wrap{position:relative;height:360px}\n\n#lvm-shell [data-term]{position:relative;cursor:help;border-bottom:1px dotted var(--dim)}\n#lvm-shell [data-term]:hover{color:var(--ink)}\n#lvm-shell .tt{position:absolute;left:50%;bottom:calc(100% + 12px);transform:translateX(-50%);min-width:200px;max-width:300px;background:#0c0c0c;color:#fff;font-size:13px;line-height:1.45;padding:11px 14px;border-radius:10px;box-shadow:0 12px 36px rgba(0,0,0,.32);opacity:0;visibility:hidden;transition:opacity .15s, visibility .15s;z-index:120;pointer-events:none;font-weight:400;font-family:var(--font-text)}\n#lvm-shell .tt::after{content:\"\";position:absolute;top:100%;left:50%;transform:translateX(-50%);border:6px solid transparent;border-top-color:#0c0c0c}\n#lvm-shell [data-term]:hover .tt, #lvm-shell [data-term]:focus .tt{opacity:1;visibility:visible}\n\n#lvm-shell .table{margin:24px 0;border:1px solid var(--rule);border-radius:16px;overflow:hidden;background:#fff}\n#lvm-shell .table-row{display:grid;grid-template-columns:1.55fr 1fr 1fr;border-bottom:1px solid var(--rule-soft);min-height:60px}\n#lvm-shell .table-row:last-child{border-bottom:0}\n#lvm-shell .table-row.head{background:var(--ink);color:#fff;border-bottom:0}\n#lvm-shell .table-row.head > div{padding:18px 18px;display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.07em}\n#lvm-shell .table-row.head .brand-cell{justify-content:flex-start}\n#lvm-shell .table-row.head .brand-cell img{width:24px;height:24px;border-radius:6px;background:#fff;object-fit:cover}\n#lvm-shell .table-row.head .brand-cell.lean{color:#FFB8CE}\n#lvm-shell .table-row > .crit{padding:16px 18px;font-size:14px;color:var(--ink);font-weight:500;display:flex;align-items:center;border-right:1px solid var(--rule-soft)}\n#lvm-shell .table-row > .cell{padding:16px 14px;font-size:13px;line-height:1.45;color:var(--ink-2);display:flex;align-items:center;gap:10px;border-right:1px solid var(--rule-soft)}\n#lvm-shell .table-row > .cell:last-child{border-right:0}\n#lvm-shell .table-row > .cell.lean{background:var(--pink-soft);position:relative}\n#lvm-shell .table-row > .cell.lean::before{content:\"\";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--pink)}\n#lvm-shell .icn{width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-size:13px;font-weight:600;color:#fff}\n#lvm-shell .icn.ok{background:var(--green)}\n#lvm-shell .icn.no{background:var(--red)}\n#lvm-shell .icn.mid{background:var(--amber)}\n#lvm-shell .icn svg{width:11px;height:11px}\n\n#lvm-shell .mini-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:28px 0}\n#lvm-shell .mini-phone{position:relative;background:linear-gradient(145deg,#2a2a2a,#0e0e0e);border-radius:22px;padding:3px;border:1px solid rgba(255,255,255,.05);box-shadow:0 14px 32px rgba(0,0,0,.16);max-width:160px;margin:0 auto;width:100%}\n#lvm-shell .mini-phone .notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:40px;height:11px;background:#0a0a0a;border-radius:0 0 7px 7px;z-index:5}\n#lvm-shell .mini-phone .scr{border-radius:18px;overflow:hidden;background:#FAF0E6;aspect-ratio:9\/19.5}\n#lvm-shell .mini-phone .scr img{width:100%;height:100%;object-fit:cover}\n#lvm-shell .mini-phone.tiny{max-width:148px;padding:2px;border-radius:20px;border-width:1px}\n#lvm-shell .mini-phone.tiny .notch{width:30px;height:8px;border-radius:0 0 5px 5px}\n#lvm-shell .mini-phone.tiny .scr{border-radius:17px}\n#lvm-shell .mini-cap{text-align:center;margin-top:12px;font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}\n#lvm-shell .mini-cap strong{display:block;color:var(--ink);margin-top:4px;font-family:var(--font-display);font-size:14px;font-weight:500;letter-spacing:-.01em;text-transform:none}\n\n#lvm-shell .duo-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:18px 0 0}\n#lvm-shell .duo-row .mini-phone{max-width:180px}\n\n#lvm-shell .method{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;align-items:center;margin:42px 0}\n#lvm-shell .method.flip{grid-template-columns:1.4fr 1fr}\n#lvm-shell .method.flip .m-phone{order:2}\n#lvm-shell .method .m-tag{font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--pink);margin-bottom:8px}\n#lvm-shell .method h3{margin-top:0}\n#lvm-shell .method p{font-size:16px;color:var(--muted);line-height:1.7}\n\n#lvm-shell .cta-band{margin:40px 0;padding:26px 28px;background:var(--paper);border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border:1px solid var(--rule-soft)}\n#lvm-shell .cta-band .l{font-family:var(--font-display);font-size:18px;line-height:1.35;font-weight:500;color:var(--ink);flex:1;min-width:240px;letter-spacing:-.01em}\n#lvm-shell .cta-band .stores{display:flex;gap:10px;align-items:center}\n#lvm-shell .cta-band .stores a{line-height:0;transition:transform .15s}\n#lvm-shell .cta-band .stores a:hover{transform:translateY(-2px)}\n#lvm-shell .cta-band .stores img{height:42px;width:auto;border-radius:9px}\n\n#lvm-shell .pyramid{margin:30px auto;max-width:440px}\n#lvm-shell .pyramid .level{margin:6px auto;padding:13px 18px;border-radius:14px;color:#fff;font-family:var(--font-display);font-weight:500;font-size:15px;letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:center;box-shadow:0 6px 18px rgba(0,0,0,.06)}\n#lvm-shell .pyramid .level .k{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.08em;opacity:.75}\n#lvm-shell .pyramid .l1{background:#0E0E10;width:100%}\n#lvm-shell .pyramid .l2{background:#1D1D1F;width:84%}\n#lvm-shell .pyramid .l3{background:#3a3a3c;width:68%}\n#lvm-shell .pyramid .l4{background:var(--pink);width:52%}\n#lvm-shell .pyramid-cap{text-align:center;font-size:13px;color:var(--muted);margin-top:14px}\n\n\/* Section 7 honnetete : scorecard horizontal bars *\/\n#lvm-shell .scorecard{margin:30px 0 10px;border:1px solid var(--rule);border-radius:20px;padding:28px 26px;background:#fff}\n#lvm-shell .scorecard-head{display:grid;grid-template-columns:1.4fr 1fr 1fr;column-gap:28px;align-items:center;padding-bottom:18px;margin-bottom:8px;border-bottom:1px solid var(--rule-soft)}\n#lvm-shell .scorecard-head .h-crit{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}\n#lvm-shell .scorecard-head .h-brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--ink)}\n#lvm-shell .scorecard-head .h-brand img{width:22px;height:22px;border-radius:5px;object-fit:cover}\n#lvm-shell .scorecard-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;column-gap:28px;align-items:center;padding:14px 0;border-bottom:1px solid var(--rule-soft)}\n#lvm-shell .scorecard-row:last-child{border-bottom:0}\n#lvm-shell .scorecard-row .crit{font-size:14px;color:var(--ink);font-weight:500;padding-right:14px}\n#lvm-shell .scorecard-row .bar{display:flex;flex-direction:row-reverse;align-items:center;gap:10px}\n#lvm-shell .scorecard-row .bar .b{flex:1;height:8px;border-radius:99px;background:var(--rule-soft);overflow:hidden;position:relative}\n#lvm-shell .scorecard-row .bar .b > i{display:block;height:100%;border-radius:99px;transition:width 1s cubic-bezier(.22,.61,.36,1)}\n#lvm-shell .scorecard-row .bar.lean .b > i{background:var(--pink)}\n#lvm-shell .scorecard-row .bar.mfp .b > i{background:var(--mfp)}\n#lvm-shell .scorecard-row .bar .v{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--ink);min-width:32px;text-align:left}\n\n\/* Section 8 pour qui : persona checklist *\/\n#lvm-shell .persona{margin:28px 0 10px;display:grid;grid-template-columns:1fr;gap:14px}\n#lvm-shell .persona-it{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:22px 24px;background:#fff;border:1px solid var(--rule);border-radius:18px;align-items:center}\n#lvm-shell .persona-it.match{background:var(--pink-soft);border-color:rgba(255,45,110,.25)}\n#lvm-shell .persona-it .pic{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--rule-soft);position:relative;font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--ink)}\n#lvm-shell .persona-it.match .pic{background:var(--pink);color:#fff}\n#lvm-shell .persona-it .pic svg{width:24px;height:24px}\n#lvm-shell .persona-it h4{margin:0 0 4px;font-size:17px;letter-spacing:-.01em}\n#lvm-shell .persona-it p{margin:0;font-size:14px;color:var(--muted);line-height:1.55}\n#lvm-shell .persona-it.match h4{color:var(--ink)}\n\n\/* Section 9 migration : timeline steps *\/\n#lvm-shell .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:28px 0;position:relative}\n#lvm-shell .steps::before{content:\"\";position:absolute;top:14px;left:7px;right:calc(20% - 18px);height:1px;background:linear-gradient(90deg,var(--pink) 0%,var(--rule-soft) 100%);z-index:0}\n#lvm-shell .step{position:relative;padding-top:24px;z-index:1}\n#lvm-shell .step::before{content:\"\";position:absolute;top:8px;left:0;width:14px;height:14px;border-radius:50%;background:var(--pink);border:3px solid #fff;box-shadow:0 0 0 1px var(--rule)}\n#lvm-shell .step .sn{font-family:var(--font-mono);font-size:11px;color:var(--pink);font-weight:600;letter-spacing:.08em}\n#lvm-shell .step h4{margin:6px 0 6px;font-size:15px;letter-spacing:-.01em}\n#lvm-shell .step p{font-size:13px;color:var(--muted);line-height:1.5;margin:0}\n\n\/* Section 10 debloque : feature stack numbered XL *\/\n#lvm-shell .feat-stack{margin:30px 0 10px;border-top:1px solid var(--rule)}\n#lvm-shell .feat-it{display:grid;grid-template-columns:auto 1fr auto;gap:24px;padding:26px 0;border-bottom:1px solid var(--rule);align-items:center}\n#lvm-shell .feat-it .fn{font-family:var(--font-display);font-size:48px;font-weight:600;color:var(--pink);line-height:1;letter-spacing:-.04em;width:74px}\n#lvm-shell .feat-it .ft{font-family:var(--font-display);font-size:22px;font-weight:600;color:var(--ink);letter-spacing:-.015em;line-height:1.25;margin-bottom:6px}\n#lvm-shell .feat-it .fd{font-size:15px;color:var(--muted);line-height:1.55;margin:0}\n#lvm-shell .feat-it .fc{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:500}\n#lvm-shell .feat-it:last-child{border-bottom:0}\n\n#lvm-shell .faq{margin:22px 0}\n#lvm-shell .faq details{border-bottom:1px solid var(--rule);padding:20px 0}\n#lvm-shell .faq details:first-of-type{border-top:1px solid var(--rule)}\n#lvm-shell .faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px;font-family:var(--font-display);font-size:20px;font-weight:500;letter-spacing:-.015em;color:var(--ink)}\n#lvm-shell .faq summary::-webkit-details-marker{display:none}\n#lvm-shell .faq summary::after{content:\"+\";font-size:24px;color:var(--muted);font-weight:300;line-height:1;transition:transform .25s, color .25s}\n#lvm-shell .faq details[open] summary::after{transform:rotate(45deg);color:var(--pink)}\n#lvm-shell .faq details[open] summary{color:var(--pink)}\n#lvm-shell .faq .ans{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.65}\n\n#lvm-shell .get-band{background:var(--paper-2);border-radius:24px;padding:48px 36px;margin:60px 0 40px;text-align:center}\n#lvm-shell .get-band .kicker{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;color:var(--pink);font-weight:600;letter-spacing:.1em;margin-bottom:14px}\n#lvm-shell .get-band h3{font-size:36px;margin:0 0 14px;letter-spacing:-.025em}\n#lvm-shell .get-band p{font-size:16px;color:var(--muted);max-width:480px;margin:0 auto 26px}\n#lvm-shell .get-band .stores{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}\n#lvm-shell .get-band .stores a{line-height:0;transition:transform .15s}\n#lvm-shell .get-band .stores a:hover{transform:translateY(-3px)}\n#lvm-shell .get-band .stores img{height:60px;width:auto;border-radius:11px}\n\n#lvm-shell .sources{font-size:14px;color:var(--muted);line-height:1.7}\n#lvm-shell .sources ol{padding-left:22px}\n#lvm-shell .sources li{margin-bottom:8px}\n\n#lvm-shell footer{padding:50px 0 60px;border-top:1px solid var(--rule);margin-top:40px}\n#lvm-shell footer .row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}\n#lvm-shell footer .kicker{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--pink);font-weight:600}\n#lvm-shell footer p{font-size:13px;color:var(--muted);margin:8px 0 0}\n#lvm-shell footer .stores{display:flex;gap:8px}\n#lvm-shell footer .stores img{height:34px;width:auto;border-radius:6px}\n\n#lvm-shell .rev{opacity:0;transform:translateY(12px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}\n#lvm-shell .rev.on{opacity:1;transform:translateY(0)}\n@media (prefers-reduced-motion:reduce){#lvm-shell .rev{transition:none;opacity:1;transform:none}}\n\n@media (max-width:760px){\n  #lvm-shell .nav-row{padding:8px 18px;gap:8px}\n  #lvm-shell .nav-link{display:none}\n  #lvm-shell .nav-stores img{height:24px}\n  #lvm-shell .wrap{padding:0 22px}\n  #lvm-shell .hero{padding:34px 0 0}\n  #lvm-shell h1{font-size:46px;letter-spacing:-.035em}\n  #lvm-shell h1 .alt{font-size:.55em;margin-top:10px}\n  #lvm-shell .dek{font-size:20px}\n  #lvm-shell .hero-stores img{height:42px}\n  #lvm-shell .hero-bottom{grid-template-columns:1fr;gap:28px;margin:30px 0 40px;padding-top:24px;align-items:stretch}\n  #lvm-shell .phone-wrap{order:-1}\n  #lvm-shell .phone{width:240px}\n  #lvm-shell .tap-hint.desktop{display:none}\n  #lvm-shell .tap-hint.mobile{display:block;position:relative;left:auto;top:auto;text-align:center;margin:0 auto 10px;width:100%}\n  #lvm-shell .tap-hint.mobile .th-arrow{position:relative;display:block;margin:6px auto 0;width:34px;height:34px;transform:none;color:var(--pink)}\n  #lvm-shell .snippet{padding:24px 22px}\n  #lvm-shell .snippet p{font-size:18px}\n  #lvm-shell section{padding:48px 0}\n  #lvm-shell h2{font-size:34px;letter-spacing:-.03em}\n  #lvm-shell h3{font-size:24px}\n  #lvm-shell .section-label{margin-bottom:22px}\n  #lvm-shell .statement{padding:24px 0;margin:32px 0}\n  #lvm-shell .statement .num{font-size:44px}\n  #lvm-shell .statement .lbl{font-size:19px}\n  #lvm-shell .fig{padding:20px 14px 14px;border-radius:16px}\n  #lvm-shell .cv-wrap{height:310px}\n  #lvm-shell .method{grid-template-columns:1fr;gap:20px}\n  #lvm-shell .method.flip{grid-template-columns:1fr}\n  #lvm-shell .method.flip .m-phone{order:0}\n  #lvm-shell .mini-row{grid-template-columns:repeat(3,1fr);gap:10px}\n  #lvm-shell .mini-phone{padding:3px;border-radius:18px;border-width:1px;max-width:110px}\n  #lvm-shell .mini-phone .notch{width:42px;height:11px;border-radius:0 0 8px 8px}\n  #lvm-shell .mini-phone .scr{border-radius:15px}\n  #lvm-shell .mini-cap{font-size:10px}\n  #lvm-shell .mini-cap strong{font-size:13px}\n  #lvm-shell .duo-row{grid-template-columns:repeat(2,1fr);gap:12px}\n  #lvm-shell .duo-row .mini-phone{max-width:130px}\n  #lvm-shell .steps{grid-template-columns:1fr;gap:18px}\n  #lvm-shell .steps::before{display:none}\n  #lvm-shell .step{padding-top:0;padding-left:24px}\n  #lvm-shell .step::before{top:6px;left:0}\n  #lvm-shell .table-row{grid-template-columns:1.4fr .9fr .9fr}\n  #lvm-shell .table-row > .crit{padding:13px 12px;font-size:13px}\n  #lvm-shell .table-row > .cell{padding:13px 10px;font-size:12px;gap:8px}\n  #lvm-shell .table-row.head > div{padding:14px 12px;font-size:10px;gap:7px}\n  #lvm-shell .table-row.head .brand-cell img{width:20px;height:20px}\n  #lvm-shell .get-band{padding:36px 22px;border-radius:18px;margin:40px 0 30px}\n  #lvm-shell .get-band h3{font-size:28px}\n  #lvm-shell .get-band .stores img{height:50px}\n  #lvm-shell .cta-band{padding:22px;gap:14px}\n  #lvm-shell .cta-band .l{font-size:16px;min-width:0}\n  #lvm-shell .cta-band .stores img{height:38px}\n  #lvm-shell .faq summary{font-size:18px;gap:14px}\n  #lvm-shell .pyramid{max-width:100%}\n  #lvm-shell .pyramid .level{padding:11px 14px;font-size:14px}\n  #lvm-shell .scorecard{padding:20px 16px;border-radius:16px}\n  #lvm-shell .scorecard-head{grid-template-columns:1.2fr 1fr 1fr;column-gap:14px}\n  #lvm-shell .scorecard-head .h-brand{font-size:12px;gap:5px}\n  #lvm-shell .scorecard-head .h-brand img{width:18px;height:18px}\n  #lvm-shell .scorecard-row{grid-template-columns:1.2fr 1fr 1fr;column-gap:14px;padding:12px 0}\n  #lvm-shell .scorecard-row .crit{font-size:13px;padding-right:8px}\n  #lvm-shell .scorecard-row .bar{gap:6px}\n  #lvm-shell .scorecard-row .bar .v{font-size:11px;min-width:26px}\n  #lvm-shell .persona-it{grid-template-columns:44px 1fr;gap:12px;padding:16px 16px;border-radius:14px}\n  #lvm-shell .persona-it .pic{width:44px;height:44px;font-size:12px}\n  #lvm-shell .persona-it h4{font-size:15px}\n  #lvm-shell .persona-it p{font-size:13px}\n  #lvm-shell .feat-it{grid-template-columns:auto 1fr;gap:14px;padding:20px 0}\n  #lvm-shell .feat-it .fn{font-size:36px;width:54px}\n  #lvm-shell .feat-it .ft{font-size:18px}\n  #lvm-shell .feat-it .fd{font-size:13px}\n  #lvm-shell .feat-it .fc{display:none}\n}\n@media (max-width:480px){\n  #lvm-shell .phone-tabs{gap:5px}\n  #lvm-shell .phone-tabs button{padding:5px 8px;font-size:10px}\n  #lvm-shell .nav-stores{gap:4px}\n  #lvm-shell .nav-stores img{height:22px}\n  #lvm-shell .hero-stores img{height:40px}\n  #lvm-shell .crumb{font-size:12px}\n  #lvm-shell .table-row{grid-template-columns:1.3fr .85fr .85fr}\n  #lvm-shell .table-row > .crit{padding:11px 9px;font-size:12px}\n  #lvm-shell .table-row > .cell{padding:11px 8px;font-size:11px;gap:6px}\n  #lvm-shell .table-row.head > div{padding:11px 9px;font-size:9px;gap:5px}\n}\n\n\/* Calculator-specific styles, scoped #lvm-shell *\/\n#lvm-shell .calc-board{display:grid;grid-template-columns:1fr;gap:18px;margin:32px 0}\n@media(min-width:780px){#lvm-shell .calc-board{grid-template-columns:1fr 1fr;gap:24px}}\n#lvm-shell .calc-inputs{background:#FAF7F2;border-radius:14px;padding:22px;border:1px solid var(--rule-soft)}\n#lvm-shell .calc-inputs h3{font-family:var(--font-display);font-size:18px;font-weight:600;margin:0 0 16px;color:var(--ink);letter-spacing:-.01em}\n#lvm-shell .calc-row{margin:0 0 14px}\n#lvm-shell .calc-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}\n#lvm-shell .calc-row input,#lvm-shell .calc-row select{width:100%;padding:11px 13px;border:1px solid var(--rule);border-radius:9px;font-size:16px;background:#fff;color:var(--ink);font-family:var(--font-text);box-sizing:border-box}\n#lvm-shell .calc-row input:focus,#lvm-shell .calc-row select:focus{outline:2px solid var(--pink);outline-offset:1px;border-color:var(--pink)}\n#lvm-shell .calc-sex{display:flex;gap:8px}\n#lvm-shell .calc-sex label{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:11px 8px;background:#fff;border:1px solid var(--rule);border-radius:9px;cursor:pointer;margin:0;font-size:14px;font-weight:500;color:var(--ink)}\n#lvm-shell .calc-sex input{display:none}\n#lvm-shell .calc-sex input:checked + span{color:var(--pink);font-weight:600}\n#lvm-shell .calc-sex label:has(input:checked){border-color:var(--pink);background:var(--pink-soft)}\n#lvm-shell .calc-bf{display:flex;align-items:center;gap:10px}\n#lvm-shell .calc-bf input[type=range]{flex:1;accent-color:var(--pink);height:6px}\n#lvm-shell .calc-bf .bf-val{font-weight:600;color:var(--pink);min-width:42px;font-family:var(--font-mono);font-size:15px}\n#lvm-shell .calc-results{display:grid;grid-template-columns:1fr;gap:12px}\n#lvm-shell .calc-card{background:#fff;border:1px solid var(--rule);border-radius:14px;padding:18px 20px}\n#lvm-shell .calc-card.lean{border-left:4px solid var(--pink);background:linear-gradient(90deg,var(--pink-soft),#fff 30%)}\n#lvm-shell .calc-card .label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-family:var(--font-mono)}\n#lvm-shell .calc-card .formula{font-size:13px;color:var(--dim);margin-top:2px}\n#lvm-shell .calc-card .result{font-family:var(--font-display);font-size:34px;font-weight:600;letter-spacing:-.025em;margin-top:8px;color:var(--ink);line-height:1}\n#lvm-shell .calc-card .result .unit{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:0}\n#lvm-shell .calc-card.lean .result{color:var(--pink)}\n#lvm-shell .calc-delta{margin-top:10px;padding:12px 14px;background:#fff;border:1px dashed var(--pink);border-radius:10px;font-size:14px;color:var(--ink)}\n#lvm-shell .calc-delta b{color:var(--pink);font-family:var(--font-mono)}\n#lvm-shell .calc-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.5}\n#lvm-shell .calc-note a{color:var(--pink);text-decoration:underline}\n\n\/* Statement block *\/\n#lvm-shell .statement{margin:54px 0;padding:48px 32px;background:#FAF7F2;border-radius:18px;text-align:center}\n#lvm-shell .statement p{font-family:var(--font-display);font-size:34px;line-height:1.2;font-weight:500;letter-spacing:-.025em;color:var(--ink);margin:0;max-width:680px;margin-inline:auto}\n#lvm-shell .statement .accent{color:var(--pink)}\n@media(max-width:640px){#lvm-shell .statement{padding:38px 22px}#lvm-shell .statement p{font-size:24px}}\n\n\/* Profil cards (no scrollable table) *\/\n#lvm-shell .profile-grid{display:grid;grid-template-columns:1fr;gap:16px;margin:32px 0}\n#lvm-shell .profile-card{background:#fff;border:1px solid var(--rule);border-radius:14px;padding:20px 22px}\n#lvm-shell .profile-card h4{font-family:var(--font-display);font-size:17px;font-weight:600;margin:0 0 4px;color:var(--ink)}\n#lvm-shell .profile-card .meta{font-size:13px;color:var(--muted);margin-bottom:14px}\n#lvm-shell .profile-card .rows{display:grid;grid-template-columns:1fr;gap:6px}\n#lvm-shell .profile-card .rw{display:grid;grid-template-columns:1fr auto;gap:10px;padding:8px 12px;background:#FAF7F2;border-radius:8px;font-size:14px;align-items:center}\n#lvm-shell .profile-card .rw .v{font-family:var(--font-mono);font-weight:600;color:var(--ink);font-size:13px}\n#lvm-shell .profile-card .rw.lean{background:var(--pink-soft);border-left:3px solid var(--pink)}\n#lvm-shell .profile-card .rw.lean .v{color:var(--pink)}\n#lvm-shell .profile-card .delta{font-size:12px;color:var(--dim);margin-top:8px}\n\n\/* Comparator cards (3 formulas pros\/cons) *\/\n#lvm-shell .compar-grid{display:grid;grid-template-columns:1fr;gap:16px;margin:24px 0}\n#lvm-shell .compar-card{background:#fff;border:1px solid var(--rule);border-radius:14px;padding:22px}\n#lvm-shell .compar-card.lean{border-left:4px solid var(--pink)}\n#lvm-shell .compar-card h4{font-family:var(--font-display);font-size:18px;font-weight:600;margin:0 0 4px;color:var(--ink)}\n#lvm-shell .compar-card .year{font-size:12px;color:var(--muted);font-family:var(--font-mono);margin-bottom:14px;letter-spacing:.04em}\n#lvm-shell .compar-card .desc{font-size:14px;line-height:1.55;color:var(--ink-2);margin:0 0 12px}\n#lvm-shell .compar-card .pros,#lvm-shell .compar-card .cons{margin:6px 0;font-size:13px;line-height:1.5}\n#lvm-shell .compar-card .pros{color:var(--green)}\n#lvm-shell .compar-card .cons{color:var(--red)}\n#lvm-shell .compar-card .pros b,#lvm-shell .compar-card .cons b{display:inline-block;width:18px}\n\n\/* Pyramide section *\/\n#lvm-shell .pyramide-illust{margin:40px auto 8px;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:220px}\n#lvm-shell .pyramide-illust img{width:100%;border-radius:18px;box-shadow:0 12px 32px rgba(20,20,40,.12)}\n#lvm-shell .pyramide-cap{font-size:13px;color:var(--muted);text-align:center;line-height:1.5}\n#lvm-shell .pyramide-cap b{display:block;color:var(--ink);font-weight:600;margin-bottom:3px}\n\n\/* FAQ details *\/\n#lvm-shell details.faq{background:#fff;border:1px solid var(--rule);border-radius:10px;margin:8px 0;overflow:hidden}\n#lvm-shell details.faq summary{padding:16px 20px;font-weight:600;font-size:16px;color:var(--ink);cursor:pointer;list-style:none;position:relative;padding-right:48px;font-family:var(--font-display);letter-spacing:-.01em}\n#lvm-shell details.faq summary::-webkit-details-marker{display:none}\n#lvm-shell details.faq summary::after{content:\"+\";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--pink);font-size:22px;font-weight:300;line-height:1}\n#lvm-shell details.faq[open] summary::after{content:\"\u2212\"}\n#lvm-shell details.faq .faq-body{padding:0 20px 18px;font-size:15px;line-height:1.65;color:var(--ink-2)}\n#lvm-shell details.faq .faq-body p{margin:0 0 8px}\n\n\/* Sources *\/\n#lvm-shell .sources{margin:48px 0 32px;padding:24px;background:#FAF7F2;border-radius:14px;font-size:13px;line-height:1.6;color:var(--muted)}\n#lvm-shell .sources h4{font-family:var(--font-display);font-size:14px;font-weight:600;margin:0 0 10px;color:var(--ink);text-transform:uppercase;letter-spacing:.06em}\n#lvm-shell .sources a{color:var(--pink);text-decoration:none}\n#lvm-shell .sources a:hover{text-decoration:underline}\n#lvm-shell .sources ol{margin:0;padding-left:22px}\n#lvm-shell .sources li{margin:4px 0}\n\n\/* BodyScan illust *\/\n#lvm-shell .bodyscan-illust{margin:40px auto 8px;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:220px}\n#lvm-shell .bodyscan-illust .mini-phone{max-width:200px;padding:3px;border:1px solid rgba(255,255,255,.07);border-radius:22px;background:linear-gradient(145deg,#2a2a2a,#0e0e0e);box-shadow:0 18px 36px rgba(0,0,0,.14);position:relative}\n#lvm-shell .bodyscan-illust .mini-phone .notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:40px;height:11px;background:#0a0a0a;border-radius:0 0 7px 7px;z-index:5}\n#lvm-shell .bodyscan-illust .mini-phone .scr{border-radius:18px;overflow:hidden;background:#FAF0E6;aspect-ratio:9\/19.5}\n#lvm-shell .bodyscan-illust .mini-phone .scr img{width:100%;height:100%;object-fit:cover;display:block}\n#lvm-shell .bodyscan-cap{font-size:13px;color:var(--muted);text-align:center;line-height:1.5}\n#lvm-shell .bodyscan-cap b{display:block;color:var(--ink);font-weight:600;margin-bottom:3px}\n\n\/* Body copy paragraphs *\/\n#lvm-shell h2.sect{font-family:var(--font-display);font-size:34px;font-weight:600;letter-spacing:-.03em;margin:64px 0 16px;line-height:1.15;color:var(--ink)}\n#lvm-shell h2.sect .num{font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--pink);display:block;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;-webkit-font-smoothing:antialiased}\n#lvm-shell h3.sub{font-family:var(--font-display);font-size:22px;font-weight:600;margin:32px 0 12px;color:var(--ink);letter-spacing:-.015em}\n#lvm-shell .body p{margin:0 0 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a{color:var(--pink);font-weight:600;text-decoration:none}\n#lvm-shell .micro-cta a:hover{text-decoration:underline}\n<\/style>\n\n<style id=\"lvm-collision-reset\">\n\/* Hard reset for global theme styles *\/\nbody.postid-1675 #lvm-shell .hero{display:block!important;align-items:initial!important;justify-content:initial!important;text-align:left!important;flex-direction:initial!important;padding:54px 0 0!important}\nbody.postid-1675 #lvm-shell .wrap,\nbody.postid-1675 #lvm-shell main.wrap{display:block!important;max-width:760px!important;margin-left:auto!important;margin-right:auto!important;padding-left:28px!important;padding-right:28px!important}\n@media (max-width:820px){\n  body.postid-1675 #lvm-shell .wrap,\n  body.postid-1675 #lvm-shell main.wrap{padding-left:18px!important;padding-right:18px!important}\n}\nhtml, body{overflow-x:hidden!important}\nbody.postid-1675 #lvm-shell{overflow-x:hidden;max-width:100vw}\nbody.postid-1675 #lvm-shell *{max-width:100%}\nbody.postid-1675 #lvm-shell .nav-row{max-width:100vw;box-sizing:border-box}\nbody.postid-1675 #lvm-shell.force-show .rev{opacity:1!important;transform:none!important}\n\n\/* === A.1 PHONE BACKGROUND CLASSES === *\/\nbody.postid-1675 #lvm-shell .phone-bg{position:absolute;inset:0;width:100%;height:100%;background-size:cover;background-position:center top;background-repeat:no-repeat;transition:opacity .28s ease;background-color:#FAF0E6}\nbody.postid-1675 #lvm-shell .phone-bg.tab-depense{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_depense.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.tab-bilan{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_bilan.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.tab-kcal{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_kcal.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.tab-strategie{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_strategie.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.sub-BMR{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_BMR.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.sub-NEAT{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_NEAT.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.sub-EAT{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_EAT.webp)}\nbody.postid-1675 #lvm-shell .phone-bg.sub-TEF{background-image:url(https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_TEF.webp)}\n\n\/* === CTA BANDS MOBILE === *\/\n@media (max-width:760px){\n  body.postid-1675 #lvm-shell .cta-band{flex-direction:column!important;align-items:center!important;text-align:center!important;padding:26px 22px!important;gap:20px!important}\n  body.postid-1675 #lvm-shell .cta-band .l{min-width:0!important;width:100%!important;font-size:16px!important;line-height:1.5!important;text-align:center!important}\n  body.postid-1675 #lvm-shell .cta-band .stores{width:100%!important;justify-content:center!important;flex-wrap:nowrap!important;gap:10px!important}\n  body.postid-1675 #lvm-shell .cta-band .stores a{flex:1!important;max-width:170px!important;display:flex!important;justify-content:center!important}\n  body.postid-1675 #lvm-shell .cta-band .stores img{height:56px!important;width:100%!important;max-width:170px!important;object-fit:contain!important;object-position:center!important;border-radius:10px!important}\n  body.postid-1675 #lvm-shell .get-band{padding:38px 22px!important}\n  body.postid-1675 #lvm-shell .get-band .stores{justify-content:center!important;flex-wrap:nowrap!important;gap:10px!important}\n  body.postid-1675 #lvm-shell .get-band .stores a{flex:1!important;max-width:170px!important;display:flex!important;justify-content:center!important}\n  body.postid-1675 #lvm-shell .get-band .stores img{height:56px!important;width:100%!important;max-width:170px!important;object-fit:contain!important;object-position:center!important;border-radius:10px!important}\n  body.postid-1675 #lvm-shell .get-band h3{font-size:26px!important;line-height:1.2!important}\n  body.postid-1675 #lvm-shell .get-band p{font-size:15px!important}\n}\n\n\/* === MINI-PHONES === *\/\n@media (max-width:760px){\n  body.postid-1675 #lvm-shell .mini-row{gap:6px!important;margin:24px 0!important;grid-template-columns:repeat(3,1fr)!important}\n  body.postid-1675 #lvm-shell .mini-phone{max-width:100px!important;padding:2px!important;border-radius:14px!important;border-width:1px!important}\n  body.postid-1675 #lvm-shell .mini-phone .notch{width:30px!important;height:8px!important;border-radius:0 0 5px 5px!important}\n  body.postid-1675 #lvm-shell .mini-phone .scr{border-radius:11px!important}\n  body.postid-1675 #lvm-shell .mini-cap{font-size:10px!important;margin-top:8px!important}\n  body.postid-1675 #lvm-shell .mini-cap strong{font-size:12px!important;margin-top:2px!important}\n}\n\n\/* === MOCKUP TAP HINT MOBILE === *\/\n@media (max-width:760px){\n  body.postid-1675 #lvm-shell .tap-hint.mobile{position:relative!important;width:100%!important;left:auto!important;top:auto!important;text-align:center!important;margin:0 auto 14px!important;display:block!important}\n  body.postid-1675 #lvm-shell .tap-hint.desktop{display:none!important}\n  body.postid-1675 #lvm-shell .tap-hint.hidden{display:none!important;height:0!important;margin:0!important;padding:0!important}\n}\n\n\/* === A.6 BODYSCAN ILLUST === *\/\nbody.postid-1675 #lvm-shell .bodyscan-illust{margin:40px auto 8px!important;display:flex!important;flex-direction:column!important;align-items:center!important;gap:14px!important;max-width:220px!important}\nbody.postid-1675 #lvm-shell .bodyscan-illust .mini-phone{max-width:200px!important;padding:3px!important;border-radius:22px!important;border-width:1px!important}\n@media (max-width:760px){\n  body.postid-1675 #lvm-shell .bodyscan-illust{max-width:180px!important}\n  body.postid-1675 #lvm-shell .bodyscan-illust .mini-phone{max-width:160px!important}\n}\n\n\/* Fix CompressX picture wrappers *\/\n#lvm-shell picture{display:block;max-width:100%}\n#lvm-shell picture img{display:block;max-width:100%;height:auto}\n#lvm-shell .bodyscan-illust .mini-phone{background:transparent;padding:0;border:none;box-shadow:none;border-radius:0}\n#lvm-shell .bodyscan-illust .mini-phone .notch{display:none}\n<\/style>\n\n<div id=\"lvm-shell\" class=\"force-show\">\n\n<nav class=\"nav\"><div class=\"nav-row\">\n  <a class=\"nav-brand\" href=\"https:\/\/lean-app.com\/nl\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-logo-lean-square-scaled.webp\" alt=\"Lean\" width=\"28\" height=\"28\"><span>Lean<\/span><\/a>\n  <div class=\"nav-spacer\"><\/div>\n  <a class=\"nav-link\" href=\"https:\/\/lean-app.com\/nl\/\">Home<\/a>\n  <div class=\"nav-stores\">\n    <a href=\"https:\/\/apps.apple.com\/fr\/app\/lean-calorie-ai-podometre\/id6738668646?utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef\" target=\"_blank\" rel=\"noopener\" aria-label=\"App Store\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-appstore-official.webp\" alt=\"App Store\"><\/a>\n    <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.lean.testsqflite&#038;utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef\" target=\"_blank\" rel=\"noopener\" aria-label=\"Google Play\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-googleplay-official.webp\" alt=\"Google Play\"><\/a>\n  <\/div>\n<\/div><\/nav>\n\n<main class=\"wrap\">\n\n<!-- HERO -->\n<section class=\"hero\" aria-labelledby=\"title\">\n  <div class=\"crumb\"><a href=\"https:\/\/lean-app.com\/nl\/\">Home<\/a> &nbsp;\/&nbsp; TEF<\/div>\n  <div class=\"eyebrow\">Pijler &middot; Wetenschap van het metabolisme<\/div>\n  <h1 id=\"title\">TEF (Thermic Effect of Food).\n    <span class=\"alt\">De complete gids om het verborgen calorieverbruik van de vertering te begrijpen.<\/span>\n  <\/h1>\n  <p class=\"dek\">Verteren verbrandt calorie\u00ebn. 20 tot 30&nbsp;% van de eiwitten, 5 tot 10&nbsp;% van de koolhydraten, 0 tot 3&nbsp;% van de vetten. Alle apps negeren het. Lean berekent het in realtime op elke gelogde maaltijd.<\/p>\n  <div class=\"byline\">\n    <img class=\"by-logo\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-logo-lean-square-scaled.webp\" alt=\"\" width=\"512\" height=\"512\" loading=\"lazy\" decoding=\"async\" \/>\n    <span><strong>L&rsquo;&eacute;quipe Lean<\/strong> &middot; Leestijd 10&nbsp;min &middot; Bijgewerkt op 28 mei 2026<\/span>\n  <\/div>\n  <div class=\"hero-stores\">\n    <a href=\"https:\/\/apps.apple.com\/fr\/app\/lean-calorie-ai-podometre\/id6738668646?utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef\" target=\"_blank\" rel=\"noopener\">\n      <img src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-appstore-official.webp\" alt=\"T&eacute;l&eacute;charger sur l&rsquo;App Store\" width=\"413\" height=\"122\" loading=\"lazy\" decoding=\"async\" \/>\n    <\/a>\n    <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.lean.testsqflite&#038;utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef\" target=\"_blank\" rel=\"noopener\">\n      <img src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-googleplay-official.webp\" alt=\"Disponible sur Google Play\" width=\"315\" height=\"95\" loading=\"lazy\" decoding=\"async\" \/>\n    <\/a>\n    <span class=\"or\">T&eacute;l&eacute;chargement gratuit<\/span>\n  <\/div>\n  <div class=\"hero-bottom\">\n    <div class=\"hero-lead\">\n      De TEF (Thermic Effect of Food) is de energie die je lichaam verbruikt om elke maaltijd te verteren, op te nemen en te metaboliseren. Hij vertegenwoordigt 8 tot 15&nbsp;% van je totale verbruik. De meeste calorie-apps berekenen hem niet. Lean berekent hem tot op de kilocalorie, op elk gelogd voedingsmiddel.\n    <\/div>\n    <div class=\"phone-wrap rev\">\n      <div class=\"phone-stage\">\n        <div class=\"tap-hint mobile\" id=\"tapHintMobile\" aria-hidden=\"true\">\n          <span class=\"th-pill\"><small>Interactieve demo<\/small>Tik op het scherm om de app te verkennen<\/span>\n          <svg class=\"th-arrow\" viewbox=\"0 0 24 24\" fill=\"none\" aria-hidden=\"true\">\n            <path d=\"M12 4 L12 20 M5 13 L12 20 L19 13\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n          <\/svg>\n        <\/div>\n        <div class=\"tap-hint desktop\" id=\"tapHintDesktop\" aria-hidden=\"true\">\n          <span class=\"th-pill\"><small>Interactieve demo<\/small>Tik op het scherm<br>om de app te verkennen<\/span>\n          <svg class=\"th-arrow\" viewbox=\"0 0 104 34\" fill=\"none\" aria-hidden=\"true\">\n            <path d=\"M4 9 C 34 1, 64 20, 94 27\" stroke=\"currentColor\" stroke-width=\"2.6\" fill=\"none\" stroke-linecap=\"round\"\/>\n            <path d=\"M86 20 L 94 27 L 84 30\" stroke=\"currentColor\" stroke-width=\"2.6\" fill=\"none\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n          <\/svg>\n        <\/div>\n        <div class=\"phone\" id=\"phone\" role=\"img\" aria-label=\"Aper&ccedil;u de l&rsquo;application Lean avec drilldown du TDEE\">\n          <div class=\"notch\"><\/div>\n          <div class=\"phone-screen\">\n            <button class=\"phone-back\" id=\"phoneBack\" aria-label=\"Terug\">&#8249;<\/button>\n            <div id=\"phoneImg\" class=\"phone-bg tab-depense\" role=\"img\" aria-label=\"Aper&ccedil;u Lean, onglet D&eacute;pense\"><\/div>\n            <div class=\"phone-zones\" id=\"phoneZones\">\n              <div class=\"z\" data-sub=\"BMR\"  style=\"top:11%;height:21%\" role=\"button\" tabindex=\"0\" aria-label=\"D&eacute;tail BMR\"><\/div>\n              <div class=\"z\" data-sub=\"NEAT\" style=\"top:33%;height:16%\" role=\"button\" tabindex=\"0\" aria-label=\"D&eacute;tail NEAT\"><\/div>\n              <div class=\"z\" data-sub=\"EAT\"  style=\"top:50%;height:16%\" role=\"button\" tabindex=\"0\" aria-label=\"D&eacute;tail EAT\"><\/div>\n              <div class=\"z\" data-sub=\"TEF\"  style=\"top:67%;height:16%\" role=\"button\" tabindex=\"0\" aria-label=\"D&eacute;tail TEF\"><\/div>\n            <\/div>\n            <div class=\"phone-navbar\" id=\"phoneNav\" aria-hidden=\"false\">\n              <button data-tab=\"bilan\"     type=\"button\" aria-label=\"Onglet Bilan\"><\/button>\n              <button data-tab=\"kcal\"      type=\"button\" aria-label=\"Onglet Calories\"><\/button>\n              <button data-tab=\"depense\"   type=\"button\" aria-label=\"Tabblad Verbruik\"><\/button>\n              <button data-tab=\"strategie\" type=\"button\" aria-label=\"Onglet Strat&eacute;gie\"><\/button>\n            <\/div>\n          <\/div>\n        <\/div>\n        <div class=\"phone-tabs\" role=\"tablist\" aria-label=\"Naviguer dans l&rsquo;app Lean\">\n          <button data-tab=\"bilan\"     type=\"button\">Balans<\/button>\n          <button data-tab=\"kcal\"      type=\"button\">Calorie\u00ebn<\/button>\n          <button data-tab=\"depense\"   type=\"button\" class=\"on\">Verbruik<\/button>\n          <button data-tab=\"strategie\" type=\"button\">Strategie<\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n  <div class=\"snippet rev\">\n    <div class=\"lbl\">R&eacute;ponse rapide<\/div>\n    <p>De TEF (Thermic Effect of Food) is de energie die wordt verbrand om je voedsel te verteren. Hij zit in de vergelijking <b>TDEE = BMR + NEAT + EAT + TEF<\/b>. Hij varieert volgens je macro&rsquo;s: eiwitten 20&ndash;30&nbsp;%, koolhydraten 5&ndash;10&nbsp;%, vetten 0&ndash;3&nbsp;%. Op een standaardmaaltijd na de training berekent Lean 69&nbsp;kcal TEF waar de andere apps 0 tonen.<\/p>\n  <\/div>\n<\/section>\n\n<!-- 02. DEFINITION -->\n<h2 class=\"sect\"><span class=\"num\">02 &middot; Definitie<\/span>TEF, de 4e bouwsteen van de TDEE<\/h2>\n<div class=\"body\">\n<p>Le <b>TEF (Thermic Effect of Food)<\/b> is de energie die je lichaam verbruikt om het voedsel dat je binnenkrijgt te verwerken: kauwen, verteren, opnemen, metaboliseren. In het Engels spreekt men ook van DIT (Diet-Induced Thermogenesis). Het is de warmte die je spijsverteringsstelsel bij elke maaltijd produceert.<\/p>\n<p>Hij past in de fundamentele vergelijking van het metabolisme:<\/p>\n<\/div>\n<div class=\"statement\" style=\"margin:28px 0\"><p><b style=\"color:var(--pink);font-variant-numeric:tabular-nums\">TDEE = BMR + NEAT + EAT + TEF<\/b><\/p><\/div>\n<div class=\"body\">\n<p>Le <b>BMR<\/b> (Basal Metabolic Rate) is je verbruik in rust. De <b>NEAT<\/b> (Non-Exercise Activity Thermogenesis) dekt je verbruik buiten de sport. De<b>EAT<\/b> (Exercise Activity Thermogenesis) dekt je trainingen. En de <b>TEF<\/b>, dat is de warmte die de vertering opwekt. Samen vormen de vier je echte TDEE.<\/p>\n<p>De<b>metabole adaptatie<\/b> komt er bovenop als vermenigvuldigingsco\u00ebffici\u00ebnt van de BMR bij een langdurig calorietekort. Lean-conventie: 100&nbsp;% = optimaal, 90&nbsp;% = 10&nbsp;% adaptatie. Ze komt <b>Stappen<\/b> in de TDEE-som.<\/p>\n<\/div>\n<div class=\"micro-cta\">\n  Zie ook: <a href=\"https:\/\/lean-app.com\/nl\/neat-depense-non-sportive\/\">NEAT-pijler<\/a> &middot; <a href=\"https:\/\/lean-app.com\/nl\/metabolisme-de-base\/\">BMR-pijler<\/a> &middot; <a href=\"https:\/\/lean-app.com\/nl\/depense-energetique-totale-v2\/\">TDEE-pijler<\/a> &middot; <a href=\"https:\/\/lean-app.com\/nl\/calculateur-tdee\/\">TDEE-calculator<\/a> &middot; <a href=\"https:\/\/lean-app.com\/nl\/calculateur-deficit-calorique\/\">Calculator tekort<\/a>\n<\/div>\n\n<!-- 03. 69 KCAL D'ECART -->\n<h2 class=\"sect\"><span class=\"num\">03 &middot; Echte impact<\/span>69&nbsp;kcal genegeerd op een maaltijd na de training<\/h2>\n<div class=\"body\">\n<p>Een concreet voorbeeld: je komt terug van de training en eet 200&nbsp;g gegrilde kip, 200&nbsp;g gekookte rijst, 30&nbsp;g avocado. Totaal: 54&nbsp;g eiwitten \/ 55&nbsp;g koolhydraten \/ 12&nbsp;g vetten = <b>537&nbsp;kcal geconsumeerd<\/b>.<\/p>\n<p>Lean past de wetenschappelijke co\u00ebffici\u00ebnten toe op deze maaltijd:<\/p>\n<\/div>\n<div class=\"profile-grid\">\n  <div class=\"profile-card\">\n    <h4>Eiwitten (54&nbsp;g)<\/h4>\n    <div class=\"meta\">54&nbsp;g &times; 4&nbsp;kcal\/g &times; 25&nbsp;%<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Eiwitten<\/span><span class=\"v\" style=\"color:#FA256C\">54&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>Westerterp 2004<\/span><span class=\"v\">20&ndash;30&nbsp;%<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean berekent<\/span><span class=\"v\">In realtime<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Eiwitten hebben de hoogste TEF: synthese, transaminering en gluconeogenese zijn processen die veel ATP kosten.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Koolhydraten (55&nbsp;g)<\/h4>\n    <div class=\"meta\">55&nbsp;g &times; 4&nbsp;kcal\/g &times; 8&nbsp;%<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Koolhydraten<\/span><span class=\"v\" style=\"color:#B8860B\">18&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>Westerterp 2004<\/span><span class=\"v\">5&ndash;10&nbsp;%<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean berekent<\/span><span class=\"v\">In realtime<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Omzetting in glycogeen of directe oxidatie. Matig maar niet nul verbruik.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Vetten (12&nbsp;g)<\/h4>\n    <div class=\"meta\">12&nbsp;g &times; 9&nbsp;kcal\/g &times; 2&nbsp;%<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Vetten<\/span><span class=\"v\" style=\"color:#7B52AC\">2&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>Westerterp 2004<\/span><span class=\"v\">0&ndash;3&nbsp;%<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean berekent<\/span><span class=\"v\">In realtime<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Zeer effici\u00ebnte directe herverestering. Het macro dat het minst kost om te verteren.<\/div>\n  <\/div>\n<\/div>\n<div class=\"body\">\n<p><b>Totale TEF berekend door Lean: 54 + 18 + 2 = 74&nbsp;kcal<\/b> op deze ene maaltijd. Concurrerende apps tonen 0. Op een jaar zijn dat tienduizenden kilocalorie\u00ebn aan genegeerd verbruik, wat de onverklaarde plateaus en de tekorten die \u00ab&nbsp;niet werken&nbsp;\u00bb verklaart.<\/p>\n<\/div>\n\n<!-- 04. 3 PROFILS PAR APPORT EN PROTEINES -->\n<h2 class=\"sect\"><span class=\"num\">04 &middot; 3 profielen<\/span>Meer eiwitten = meer TEF: de cijfers<\/h2>\n<div class=\"body\">\n<p>Drie profielen op een voeding van 2&nbsp;500&nbsp;kcal\/dag. Alleen de verdeling van de macro&rsquo;s verandert. De cijfers van de totale TEF illustreren de enorme impact van de samenstelling van de voeding.<\/p>\n<\/div>\n<div class=\"profile-grid\">\n  <div class=\"profile-card\">\n    <h4>15&nbsp;% eiwitten<\/h4>\n    <div class=\"meta\">Eiwitarme voeding &middot; 2&nbsp;500 kcal<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Eiwitten<\/span><span class=\"v\">75&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>TEF Koolhydraten + Vetten<\/span><span class=\"v\">94&nbsp;kcal<\/span><\/div>\n      <div class=\"rw lean\"><span>Totale TEF<\/span><span class=\"v\">~169&nbsp;kcal \/ d<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Het vakje \u00ab&nbsp;zittend&nbsp;\u00bb in MFP houdt geen rekening met de samenstelling van de voeding. Dit profiel verliest 169&nbsp;kcal verbruik als de app het negeert.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>25&nbsp;% eiwitten<\/h4>\n    <div class=\"meta\">Standaard sportief profiel &middot; 2&nbsp;500 kcal<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Eiwitten<\/span><span class=\"v\">125&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>TEF Koolhydraten + Vetten<\/span><span class=\"v\">85&nbsp;kcal<\/span><\/div>\n      <div class=\"rw lean\"><span>Totale TEF<\/span><span class=\"v\">~210&nbsp;kcal \/ d<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">41&nbsp;kcal extra verbruik vs profiel 15&nbsp;% eiwitten. Het equivalent van 5 minuten extra wandelen, alleen door de macro&rsquo;s te veranderen.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>35&nbsp;% eiwitten<\/h4>\n    <div class=\"meta\">Profiel agressieve cut &middot; 2&nbsp;500 kcal<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF Eiwitten<\/span><span class=\"v\">175&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>TEF Koolhydraten + Vetten<\/span><span class=\"v\">76&nbsp;kcal<\/span><\/div>\n      <div class=\"rw lean\"><span>Totale TEF<\/span><span class=\"v\">~251&nbsp;kcal \/ d<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">82&nbsp;kcal meer vs profiel 15&nbsp;%. Over 30 dagen: +2&nbsp;460&nbsp;kcal extra verbruik bij identieke calorie\u00ebn, zonder \u00e9\u00e9n extra training.<\/div>\n  <\/div>\n<\/div>\n\n<!-- 05. POURQUOI LES APPS ECHOUENT -->\n<h2 class=\"sect\"><span class=\"num\">05 &middot; Waarom apps falen<\/span>Vaste co\u00ebffici\u00ebnt tegenover macrospecifieke berekening<\/h2>\n<div class=\"body\">\n<p>Als je MyFitnessPal of Yazio instelt, wordt naar je activiteitsniveau gevraagd. Een PAL-co\u00ebffici\u00ebnt wordt op je BMR toegepast. Die co\u00ebffici\u00ebnt zou alles moeten \u00ab&nbsp;omvatten&nbsp;\u00bb, ook de vertering. In de praktijk is hij gekalibreerd op generieke populaties en weerspiegelt hij helemaal niet je macrosamenstelling van de dag.<\/p>\n<p>Het probleem: die co\u00ebffici\u00ebnt verandert niet op de maandag waarop je 50&nbsp;% eiwitten eet versus de zondag waarop je 20&nbsp;% eiwitten eet. De TEF van die twee dagen is radicaal verschillend. De apps zien het niet. Lean wel.<\/p>\n<p>Westerterp (2004, PMID&nbsp;15507147) heeft via indirecte calorimetrie gemeten dat de schattingsfouten van de TEF via een vaste co\u00ebffici\u00ebnt kunnen oplopen tot <b>100 tot 200&nbsp;kcal per dag<\/b> afhankelijk van de echte samenstelling van de voeding. Dat is de orde van grootte die een tekort verklaart dat wekenlang \u00ab&nbsp;niet werkt&nbsp;\u00bb.<\/p>\n<\/div>\n\n<!-- 06. MFP VS LEAN -->\n<h2 class=\"sect\"><span class=\"num\">06 &middot; MFP vs Lean<\/span>0&nbsp;kcal vs 74&nbsp;kcal op dezelfde maaltijd<\/h2>\n<div class=\"body\">\n<p>Dezelfde maaltijd na de training: 200&nbsp;g kip, 200&nbsp;g gekookte rijst, 30&nbsp;g avocado = 537&nbsp;kcal. Wat elke app met die maaltijd doet:<\/p>\n<\/div>\n<div class=\"profile-grid\">\n  <div class=\"profile-card\">\n    <h4>MyFitnessPal (en de meeste apps)<\/h4>\n    <div class=\"meta\">Geen TEF-berekening op maaltijden<\/div>\n    <div style=\"margin:12px auto;max-width:130px\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2025\/07\/analyse-nutrition-calcul-tef-lean-app-551x1024.png\" alt=\"Analyse nutritionnelle dans Lean avec calcul du TEF\" style=\"width:100%;border-radius:16px;box-shadow:0 4px 16px rgba(0,0,0,.12)\" loading=\"lazy\"><\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>537 kcal gelogd<\/span><span class=\"v\" style=\"color:#FF2D6E\">TEF: 0&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>Methode<\/span><span class=\"v\">Vaste PAL-co\u00ebffici\u00ebnt<\/span><\/div>\n      <div class=\"rw\"><span>Meegerekend<\/span><span class=\"v\">Nee<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">MFP, Yazio, Cronometer en de meeste calorie-apps nemen de TEF niet op in hun verbruiksberekening. Je verbrandt 74&nbsp;kcal om die maaltijd te verteren. Zij weten het niet.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Lean<\/h4>\n    <div class=\"meta\">Macrospecifieke TEF-berekening in realtime<\/div>\n    <div style=\"margin:12px auto;max-width:130px\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2025\/07\/focus-depense-digestion-tef-lean-app-523x1024.png\" alt=\"Focus sur la d&eacute;pense TEF dans l&rsquo;application Lean\" style=\"width:100%;border-radius:16px;box-shadow:0 4px 16px rgba(0,0,0,.12)\" loading=\"lazy\"><\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>537 kcal gelogd<\/span><span class=\"v\" style=\"color:#27AE60\">TEF: 74&nbsp;kcal<\/span><\/div>\n      <div class=\"rw\"><span>Methode<\/span><span class=\"v\">E&times;25&nbsp;% + K&times;8&nbsp;% + V&times;2&nbsp;%<\/span><\/div>\n      <div class=\"rw lean\"><span>Meegerekend<\/span><span class=\"v\">Ja, bij elke maaltijd<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Lean berekent de TEF tot op de kilocalorie op elke gelogde maaltijd. Die TEF wordt bij je TDEE van de dag opgeteld en past je caloriedoel in realtime aan.<\/div>\n  <\/div>\n<\/div>\n<div class=\"cta-band\">\n  <div class=\"l\">Lean berekent je TEF in realtime op elke maaltijd. Gratis download, 7 dagen proberen op het jaarabonnement.<\/div>\n  <div class=\"stores\">\n    <a href=\"https:\/\/apps.apple.com\/fr\/app\/lean-calorie-ai-podometre\/id6738668646?utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef-cta1\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-appstore-official.webp\" alt=\"T&eacute;l&eacute;charger sur l&rsquo;App Store\" height=\"42\" loading=\"lazy\"><\/a>\n    <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.lean.testsqflite&#038;utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef-cta1\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-googleplay-official.webp\" alt=\"Disponible sur Google Play\" height=\"42\" loading=\"lazy\"><\/a>\n  <\/div>\n<\/div>\n\n<!-- 07. BMR CHANGE TOUT POUR LE TEF -->\n<h2 class=\"sect\"><span class=\"num\">07 &middot; BMR &amp; TEF<\/span>Waarom je BMR de waarde van de TEF be\u00efnvloedt<\/h2>\n<div class=\"body\">\n<p>De TEF wordt berekend op de ingenomen macro&rsquo;s. Maar om die berekening in een nauwkeurige TDEE op te nemen, moet de BMR die als basis dient wel juist zijn. En de BMR hangt rechtstreeks af van je <b>echte vetvrije massa<\/b>.<\/p>\n<p>De fysiologische reden: het basaal metabolisme wordt voornamelijk gedragen door de spieren en de organen (metabool actief weefsel), niet door de vetmassa. Twee personen van 80&nbsp;kg met 12&nbsp;% en 22&nbsp;% vet hebben een vetvrije massa van 70,4&nbsp;kg vs 62,4&nbsp;kg, ofwel een BMR-verschil van ongeveer 170&nbsp;kcal\/d. Als je TDEE al aan de basis fout is, komt je TEF terecht in een vergelijking die al ontkalibreerd is.<\/p>\n<p>Concreet: Lean berekent je BMR op je echte vetvrije massa via AI BodyScan en integreert vervolgens de TEF op die exacte BMR. De ketenfout die de apps maken, gebeurt op twee niveaus: BMR op totaal gewicht (fout), en dan 0&nbsp;kcal TEF (ook fout). Lean corrigeert beide.<\/p>\n<\/div>\n<div class=\"feat-it\"><div class=\"fn\">01<\/div><div><div class=\"ft\">BMR berekend op echt vetpercentage, niet op totaal gewicht<\/div><p class=\"fd\">Lean gebruikt zijn gepatenteerde eigen model (geen Harris-Benedict 1919, geen Mifflin-St Jeor 1990) en indexeert het op je vetvrije massa via AI BodyScan. Die BMR vormt het fundament voor al het overige, inclusief de TEF.<\/p><\/div><div class=\"fc\">Precisie<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">02<\/div><div><div class=\"ft\">TEF ge\u00efntegreerd in de TDEE, niet achteraf toegevoegd<\/div><p class=\"fd\">De TEF is geen aparte regel die je al dan niet inschakelt. Hij maakt deel uit van de vergelijking TDEE = BMR + NEAT + EAT + TEF, ge\u00efntegreerd vanaf de eerste gelogde maaltijd.<\/p><\/div><div class=\"fc\">Architectuur<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">03<\/div><div><div class=\"ft\">TEF herberekend bij elke profielupdate<\/div><p class=\"fd\">Verlies je 3&nbsp;kg vet in een maand? Je BMR verandert. En de integratie van de TEF in de TDEE wordt automatisch herkalibreerd in Lean. De apps houden hun constante sinds de inschrijving.<\/p><\/div><div class=\"fc\">Dynamisch<\/div><\/div>\n\n<!-- 08. BODYSCAN IA -->\n<h2 class=\"sect\"><span class=\"num\">08 &middot; AI BodyScan<\/span>Het echte vetpercentage: het fundament van de TEF-berekening van Lean<\/h2>\n<div class=\"body\">\n<p>Om de TEF in een nauwkeurige TDEE op te nemen, moet de BMR eerst juist zijn. En daarvoor heb je je echte vetpercentage nodig. Hier komt de AI BodyScan van Lean in beeld.<\/p>\n<p>De meeste apps berekenen de BMR op basis van het totale gewicht (Harris-Benedict 1919, Mifflin-St Jeor 1990). Lean berekent je BMR op je <b>vetvrije massa geschat via vetpercentage<\/b>, dankzij een <b>mod&egrave;le propri&eacute;taire brevet&eacute;<\/b>. Die BMR dient vervolgens als fundament voor de integratie van de TEF in de TDEE.<\/p>\n<\/div>\n<div class=\"bodyscan-illust\" style=\"margin:40px auto 8px;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:220px\">\n  <img src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2025\/07\/resultat-bodyfat-ia-homme-lean-app-1-514x1024.png\" alt=\"BodyScan AI Lean result: bodyfat in 5 seconds from a photo\" width=\"514\" height=\"1024\" style=\"width:100%;height:auto;border-radius:24px;box-shadow:0 8px 32px rgba(0,0,0,0.15)\" loading=\"lazy\" decoding=\"async\">\n  <p class=\"bodyscan-cap\" style=\"max-width:220px;font-size:13px;line-height:1.5;text-align:center\"><b>AI BodyScan<\/b> : echt vetpercentage in 5 seconden, vanaf een foto<\/p>\n<\/div>\n<div class=\"body\">\n<p>E\u00e9n foto, 5 seconden, en Lean kent je vetpercentage nauwkeurig. Dat cijfer voedt rechtstreeks de berekening van je BMR, die op zijn beurt het fundament vormt voor de integratie van de TEF in je TDEE. Dat is de ketenarchitectuur die de andere apps niet bieden.<\/p>\n<\/div>\n\n<!-- 09. COMMENT LEAN CALCULE LE TEF -->\n<h2 class=\"sect\"><span class=\"num\">09 &middot; Lean &amp; TEF<\/span>Berekening in realtime op elke gelogde maaltijd<\/h2>\n<div class=\"body\">\n<p>Lean berekent de TEF op basis van elke maaltijd die je logt, en integreert hem in realtime in je TDEE van de dag. Dit is de volledige architectuur:<\/p>\n<\/div>\n<div class=\"feat-it\"><div class=\"fn\">01<\/div><div><div class=\"ft\">Loggen van de maaltijd (3 methodes)<\/div><p class=\"fd\">Je logt via de USDA+OpenFoodFacts-database, de barcodescan of de AI-fotoscan van een gerecht. Lean haalt meteen de grammen eiwitten, koolhydraten en vetten op.<\/p><\/div><div class=\"fc\">Invoer<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">02<\/div><div><div class=\"ft\">TEF-berekening per macro op elk voedingsmiddel<\/div><p class=\"fd\">De Lean-motor past toe: E &times; 25&nbsp;%, K &times; 8&nbsp;%, V &times; 2&nbsp;%. Het resultaat wordt on the fly berekend voor elk voedingsmiddel en vervolgens over de dag gecumuleerd.<\/p><\/div><div class=\"fc\">Berekening<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">03<\/div><div><div class=\"ft\">TEF gecumuleerd in de TDEE van de dag<\/div><p class=\"fd\">De gecumuleerde TEF van de dag wordt bij BMR + NEAT + EAT opgeteld om je live TDEE te geven. Je caloriebalans wordt bij elke gelogde maaltijd aangepast.<\/p><\/div><div class=\"fc\">Integratie<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">04<\/div><div><div class=\"ft\">Zichtbaar in het tabblad Verbruik<\/div><p class=\"fd\">Het tabblad Verbruik van Lean detailleert elk onderdeel van de TDEE: BMR, NEAT, EAT, TEF. Je ziet precies hoeveel de vertering bijdraagt aan je verbruik van de dag.<\/p><\/div><div class=\"fc\">Transparant<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">05<\/div><div><div class=\"ft\">Directe impact op het caloriedoel<\/div><p class=\"fd\">Lean gebruikt de TDEE met TEF om je doel en je beoogde tekort te berekenen. Een eiwitrijkere maaltijd verhoogt je TEF en dus je echte TDEE, wat Lean automatisch weerspiegelt.<\/p><\/div><div class=\"fc\">Strategisch<\/div><\/div>\n\n<!-- 10. L'ECRAN TEF -->\n<h2 class=\"sect\"><span class=\"num\">10 &middot; TEF in Lean<\/span>De opvolging van de vertering in realtime<\/h2>\n<div class=\"body\">\n<p>Het tabblad Verbruik van Lean detailleert in realtime elk onderdeel van de TDEE: BMR, NEAT, EAT, TEF. Tik op TEF om de details per maaltijd te zien.<\/p>\n<\/div>\n<div style=\"max-width:130px;margin:24px auto\">\n  <div class=\"mini-phone\" style=\"max-width:130px\"><div class=\"notch\"><\/div><div class=\"scr\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_TEF.webp\" alt=\"TEF et digestion dans Lean\" loading=\"lazy\"><\/div><\/div>\n<\/div>\n<div class=\"mini-cap\"><strong>Lean<\/strong> &middot; TEF berekend in realtime op elke maaltijd<\/div>\n<div style=\"text-align:center;margin:24px 0\">\n  <img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2025\/08\/suivi-calories-digestion-tef-lean-app-1024x370.png\" alt=\"Suivi des calories de digestion (TEF) dans l&rsquo;application Lean\" style=\"max-width:480px;width:100%;border-radius:16px;box-shadow:0 6px 24px rgba(0,0,0,.10)\" loading=\"lazy\">\n<\/div>\n\n<!-- 11. STRATEGIES D'OPTIMISATION TEF -->\n<h2 class=\"sect\"><span class=\"num\">11 &middot; Strategie\u00ebn<\/span>Meer eiwitten eten = meer verbranden bij het verteren<\/h2>\n<div class=\"body\">\n<p>Het basisprincipe van de TEF: elke calorie eiwit kost 25&nbsp;% om te verteren, tegenover 2&nbsp;% voor vetten. <b>Meer eiwitten eten = meer verbruiken bij gelijke calorie\u00ebn.<\/b> Dat is het echte metabole voordeel van een eiwitrijke voeding tijdens een cut.<\/p>\n<\/div>\n<div class=\"feat-it\"><div class=\"fn\">01<\/div><div><div class=\"ft\">+100&nbsp;g eiwitten = +100&nbsp;kcal gratis TEF<\/div><p class=\"fd\">100&nbsp;g extra eiwitten (400&nbsp;kcal) genereren ongeveer 100&nbsp;kcal extra TEF. Dat is echt verbruik, zonder fysieke inspanning, alleen door je voedingssamenstelling te veranderen.<\/p><\/div><div class=\"fc\">Eiwitten<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">02<\/div><div><div class=\"ft\">Log alles, ook de kleine maaltijden<\/div><p class=\"fd\">Elke invoer in Lean start de TEF-berekening. Een snack van 100&nbsp;g kwark (18&nbsp;g eiwitten) genereert ~18&nbsp;kcal TEF. Gecumuleerd over 5 eetmomenten is dat echt verbruik dat de apps niet tellen.<\/p><\/div><div class=\"fc\">Volledigheid<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">03<\/div><div><div class=\"ft\">Geef de voorkeur aan onbewerkte voeding<\/div><p class=\"fd\">Ultrabewerkte voedingsmiddelen hebben een lagere TEF omdat ze al gedeeltelijk industrieel \u00ab&nbsp;voorverteerd&nbsp;\u00bb zijn (Barr 2010, PMID&nbsp;20613941). Een hele kipfilet heeft een hogere TEF dan een voorgehydrolyseerd eiwitpoeder.<\/p><\/div><div class=\"fc\">Kwaliteit<\/div><\/div>\n<div class=\"feat-it\"><div class=\"fn\">04<\/div><div><div class=\"ft\">Reken niet op vetten voor de TEF<\/div><p class=\"fd\">Vetten hebben een TEF van 0 tot 3&nbsp;%. Je vetten verhogen boost de TEF niet. Het is de verdeling van de macro&rsquo;s die telt, niet het ruwe calorietotaal.<\/p><\/div><div class=\"fc\">Vetten<\/div><\/div>\n\n<!-- 12. MET et macros -->\n<h2 class=\"sect\"><span class=\"num\">12 &middot; Wetenschap<\/span>Waarom eiwitten zoveel verbranden bij de vertering<\/h2>\n<div class=\"body\">\n<p>Het antwoord is biochemisch. Eiwitten moeten worden afgebroken tot aminozuren, die vervolgens ofwel in de eiwitsynthese worden opgenomen (kost in ATP), ofwel worden geoxideerd (Krebscyclus), ofwel worden omgezet in glucose (gluconeogenese, nog hogere kost). De deaminering van stikstof (ureumproductie) is op zich al energie-intensief.<\/p>\n<\/div>\n<div class=\"profile-grid\">\n  <div class=\"profile-card\">\n    <h4>Eiwitten: TEF 20&ndash;30&nbsp;%<\/h4>\n    <div class=\"meta\">Bron: Westerterp 2004, Acheson 2011<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>Eiwitsynthese<\/span><span class=\"v\">Hoge ATP-kost<\/span><\/div>\n      <div class=\"rw\"><span>Deaminering<\/span><span class=\"v\">Ureumproductie<\/span><\/div>\n      <div class=\"rw lean\"><span>TEF Lean<\/span><span class=\"v\">25&nbsp;% (mediaanwaarde)<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Het is het \u00ab&nbsp;duurste&nbsp;\u00bb macro om te verteren. Zijn metabole kost is de hoogste van alle macro&rsquo;s.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Koolhydraten: TEF 5&ndash;10&nbsp;%<\/h4>\n    <div class=\"meta\">Bron: Westerterp 2004<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>Glycolyse<\/span><span class=\"v\">Matig kostbaar<\/span><\/div>\n      <div class=\"rw\"><span>Glycogeenopslag<\/span><span class=\"v\">Extra kost<\/span><\/div>\n      <div class=\"rw lean\"><span>TEF Lean<\/span><span class=\"v\">8&nbsp;% (mediaanwaarde)<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Matig maar niet nul verbruik. Opslag als glycogeen kost meer dan directe oxidatie.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Vetten: TEF 0&ndash;3&nbsp;%<\/h4>\n    <div class=\"meta\">Bron: Westerterp 2004<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>Herverestering<\/span><span class=\"v\">Zeer weinig kostbaar<\/span><\/div>\n      <div class=\"rw\"><span>Directe opslag<\/span><span class=\"v\">Bijna zonder omzetting<\/span><\/div>\n      <div class=\"rw lean\"><span>TEF Lean<\/span><span class=\"v\">2&nbsp;% (mediaanwaarde)<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Het \u00ab&nbsp;goedkoopste&nbsp;\u00bb macro om te verteren. Voedingsvetten zijn bijna rechtstreeks op te slaan zonder grote metabole kost.<\/div>\n  <\/div>\n<\/div>\n\n<!-- 13. OBJECTIFS SECHE\/BULK\/RECOMP -->\n<h2 class=\"sect\"><span class=\"num\">13 &middot; Doelen<\/span>TEF en strategie volgens cut, bulk of recomp<\/h2>\n<p>Zodra je nauwkeurige TEF bekend is, is de praktische toepassing direct. Drie doelen, drie hefbomen.<\/p>\n<div class=\"profile-grid\">\n  <div class=\"profile-card\">\n    <h4>Cut (vetverlies)<\/h4>\n    <div class=\"meta\">Doel: de TEF maximaliseren zonder de macro&rsquo;s op te offeren<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF-hefboom<\/span><span class=\"v\">Eiwitten op 30&nbsp;%+<\/span><\/div>\n      <div class=\"rw\"><span>Voordeel<\/span><span class=\"v\">Extra verbruik zonder sport<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean berekent<\/span><span class=\"v\">Exacte impact op het tekort<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Een hoge eiwitinname behoudt de spiermassa EN verhoogt de TEF. Dubbel voordeel tijdens een cut. Tool: <a href=\"https:\/\/lean-app.com\/nl\/calculateur-deficit-calorique\/\" style=\"text-decoration:underline\">calculator voor calorietekort<\/a>.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Bulk (spieropbouw)<\/h4>\n    <div class=\"meta\">Doel: gecontroleerd overschot, minimale vettoename<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF-hefboom<\/span><span class=\"v\">Hoge eiwitten bij voorkeur<\/span><\/div>\n      <div class=\"rw\"><span>Voordeel<\/span><span class=\"v\">Netto-overschot verkleind door de eiwit-TEF<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean toont<\/span><span class=\"v\">Netto-overschot na echte TEF<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">In bulk toont Lean het echte overschot in realtime. Een zeer eiwitrijke maaltijd verkleint het netto-overschot via de extra TEF.<\/div>\n  <\/div>\n  <div class=\"profile-card\">\n    <h4>Recomp (onderhoud + opbouw)<\/h4>\n    <div class=\"meta\">Doel: maximale precisie op inname en verbruik<\/div>\n    <div class=\"rows\">\n      <div class=\"rw\"><span>TEF-hefboom<\/span><span class=\"v\">Precisietool tot op de kcal<\/span><\/div>\n      <div class=\"rw\"><span>Voordeel<\/span><span class=\"v\">Evenwicht zonder benadering<\/span><\/div>\n      <div class=\"rw lean\"><span>Lean berekent<\/span><span class=\"v\">Live caloriebalans<\/span><\/div>\n    <\/div>\n    <div class=\"delta\">Recompositie vereist maximale precisie. Een TEF berekend tot op de kilocalorie is een beslissend voordeel tegenover apps die hem negeren.<\/div>\n  <\/div>\n<\/div>\n\n<!-- 14. TEF LIVE DANS LEAN -->\n<h2 class=\"sect\"><span class=\"num\">14 &middot; TEF live<\/span>De opvolging van de vertering in Lean<\/h2>\n<div class=\"body\">\n<p>Het tabblad Verbruik van Lean detailleert in realtime elk onderdeel van de TDEE: BMR, NEAT, EAT, TEF. De getoonde TEF komt overeen met je gelogde maaltijden van de dag, berekend op elk macro.<\/p>\n<\/div>\n<div style=\"max-width:130px;margin:24px auto\">\n  <div class=\"mini-phone\" style=\"max-width:130px\"><div class=\"notch\"><\/div><div class=\"scr\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-screen_TEF.webp\" alt=\"TEF dans Lean, d&eacute;pense de digestion\" loading=\"lazy\"><\/div><\/div>\n<\/div>\n<div class=\"mini-cap\"><strong>Lean<\/strong> &middot; TEF in realtime, berekend op je echte macro&rsquo;s<\/div>\n\n<!-- 15. LA PYRAMIDE -->\n<h2 class=\"sect\"><span class=\"num\">15 &middot; De piramide<\/span>Lean-Progressiepiramide<\/h2>\n<div class=\"body\">\n<p>De Lean-Progressiepiramide rangschikt de prioriteiten om je lichaamsdoel te bereiken. De TEF speelt op twee verdiepingen: het nauwkeurige caloriedoel (TEF ge\u00efntegreerd in de TDEE) en de macronutri\u00ebnten (samenstelling die het TEF-niveau bepaalt).<\/p>\n<\/div>\n<div class=\"pyramid\" aria-label=\"Lean-Progressiepiramide\">\n  <div class=\"level l1\"><span>Therapietrouw<\/span><span class=\"k\">Basis<\/span><\/div>\n  <div class=\"level l2\"><span>Caloriedoel (TDEE + nauwkeurige TEF)<\/span><span class=\"k\">Verdieping 2<\/span><\/div>\n  <div class=\"level l3\"><span>Stappen \/ dagelijkse NEAT<\/span><span class=\"k\">Verdieping 3<\/span><\/div>\n  <div class=\"level l4\"><span>Macro&rsquo;s (eiwitten = TEF-hefboom)<\/span><span class=\"k\">Top<\/span><\/div>\n<\/div>\n<div class=\"pyramid-cap\">Sla geen stappen over. Een nauwkeurige TDEE met ge\u00efntegreerde TEF is verdieping 2. Maar als je je maaltijden niet regelmatig logt, wordt de TEF nooit berekend.<\/div>\n\n<!-- 16. FAQ -->\n<h2 class=\"sect\"><span class=\"num\">16 &middot; FAQ<\/span>Alles wat je je afvraagt over de TEF<\/h2>\n\n<details class=\"faq\"><summary>Wat is het thermisch effect van voeding?<\/summary><div class=\"faq-body\"><p>Le <b>TEF (Thermic Effect of Food)<\/b>, ook DIT (Diet-Induced Thermogenesis) genoemd, is de energie die wordt verbruikt om voedsel te verteren, op te nemen en te metaboliseren. Hij zit in de vergelijking <b>TDEE = BMR + NEAT + EAT + TEF<\/b> en vertegenwoordigt gemiddeld 8 tot 15&nbsp;% van het totale calorieverbruik.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Waarom hebben eiwitten de hoogste TEF?<\/summary><div class=\"faq-body\"><p>Eiwitten vereisen biochemische processen die veel ATP kosten: eiwitsynthese, transaminering, deaminering (ureumproductie) en soms gluconeogenese. Daarom wordt 20 tot 30&nbsp;% van de eiwitcalorie\u00ebn bij de vertering verbrand, tegenover 5 tot 10&nbsp;% voor koolhydraten en 0 tot 3&nbsp;% voor vetten.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Berekent MyFitnessPal de TEF?<\/summary><div class=\"faq-body\"><p>Nee. MyFitnessPal, Yazio, Cronometer en de meeste calorie-apps nemen de TEF niet op in hun verbruiksberekening. Ze gebruiken een vaste activiteitsco\u00ebffici\u00ebnt (PAL) toegepast op de BMR, die de vertering zou moeten \u00ab&nbsp;omvatten&nbsp;\u00bb. In de praktijk weerspiegelt die co\u00ebffici\u00ebnt niet je macrosamenstelling van de dag.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Hoe berekent Lean de TEF?<\/summary><div class=\"faq-body\"><p>Lean past de wetenschappelijke co\u00ebffici\u00ebnten toe op elke gelogde maaltijd: <b>E &times; 25&nbsp;% + K &times; 8&nbsp;% + V &times; 2&nbsp;%<\/b>. Het resultaat wordt in realtime in je TDEE van de dag ge\u00efntegreerd. Op een maaltijd van 537&nbsp;kcal (54&nbsp;g E, 55&nbsp;g K, 12&nbsp;g V) berekent Lean 74&nbsp;kcal TEF.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Hoeveel calorie\u00ebn vertegenwoordigt de TEF per dag?<\/summary><div class=\"faq-body\"><p>Bij een voeding van 2&nbsp;000 tot 2&nbsp;500&nbsp;kcal vertegenwoordigt de TEF tussen 160 en 250&nbsp;kcal, afhankelijk van je macrosamenstelling. Op een jaar is dat 58&nbsp;000 tot 91&nbsp;000&nbsp;kcal verbruik dat wordt genegeerd door de apps die hem niet berekenen.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Daalt de TEF bij een calorietekort?<\/summary><div class=\"faq-body\"><p>Ja, evenredig: als je minder calorie\u00ebn eet, verteer je minder en daalt de absolute TEF. Maar het <b>percentage<\/b> blijft stabiel volgens je macro&rsquo;s. Tijdens een tekort behoudt een hoge eiwitinname de verhouding TEF\/inname, naast het behoud van de spiermassa.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Is de TEF hetzelfde als het postprandiale actieve metabolisme?<\/summary><div class=\"faq-body\"><p>Ja, beide termen duiden dezelfde realiteit aan: de energie die de vertering verbrandt. TEF (Thermic Effect of Food) is de meest gebruikte Engelstalige term. DIT (Diet-Induced Thermogenesis) of SDA (specifiek-dynamische werking) zijn de equivalenten in de Europese literatuur.<\/p><\/div><\/details>\n\n<details class=\"faq\"><summary>Hebben bewerkte voedingsmiddelen een lagere TEF?<\/summary><div class=\"faq-body\"><p>Ja. Barr &amp; Wright (2010, PMID&nbsp;20613941) hebben gemeten dat maaltijden op basis van onbewerkte voeding een ongeveer 50&nbsp;% hogere TEF genereren dan maaltijden met evenveel calorie\u00ebn op basis van bewerkte voeding. Bewerkte voedingsmiddelen zijn al gedeeltelijk industrieel \u00ab&nbsp;voorverteerd&nbsp;\u00bb, wat het verteringswerk en dus de TEF vermindert.<\/p><\/div><\/details>\n\n<!-- 17. SOURCES -->\n<div class=\"sources\">\n  <h4>Wetenschappelijke bronnen<\/h4>\n  <ol>\n    <li>Westerterp KR. Diet induced thermogenesis. <em>Nutr Metab (Lond)<\/em>. 2004;1(1):5. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/15507147\/\" target=\"_blank\" rel=\"noopener\">PubMed 15507147<\/a><\/li>\n    <li>Acheson KJ. Protein choices targeting thermogenesis and metabolism. <em>Am J Clin Nutr<\/em>. 2011;93(3):525-534. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21235280\/\" target=\"_blank\" rel=\"noopener\">PubMed 21235280<\/a><\/li>\n    <li>Tappy L. Thermic effect of food and sympathetic nervous system activity in lean and obese subjects. <em>Crit Rev Clin Lab Sci<\/em>. 1996;33(6):435-444. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/8701638\/\" target=\"_blank\" rel=\"noopener\">PubMed 8701638<\/a><\/li>\n    <li>Barr SB, Wright JC. Postprandial energy expenditure in whole-food and processed-food meals. <em>Food Nutr Res<\/em>. 2010;54. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20613941\/\" target=\"_blank\" rel=\"noopener\">PubMed 20613941<\/a><\/li>\n    <li>Levine JA. Non-exercise activity thermogenesis (NEAT). <em>Best Pract Res Clin Endocrinol Metab<\/em>. 2002;16(4):679-702. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12468415\/\" target=\"_blank\" rel=\"noopener\">PubMed 12468415<\/a><\/li>\n  <\/ol>\n<\/div>\n\n<!-- GET-BAND -->\n<div class=\"get-band\">\n  <h3>Bereken je TEF op je echte macro&rsquo;s<\/h3>\n  <p>E &times; 25&nbsp;% + K &times; 8&nbsp;% + V &times; 2&nbsp;%, op elke gelogde maaltijd. TDEE = BMR + NEAT + EAT + TEF. Gepatenteerd eigen model. Gratis download, proefperiode van 7 dagen op het jaarabonnement.<\/p>\n  <div class=\"stores\">\n    <a href=\"https:\/\/apps.apple.com\/fr\/app\/lean-calorie-ai-podometre\/id6738668646?utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef-footer\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-appstore-official.webp\" alt=\"T&eacute;l&eacute;charger sur l&rsquo;App Store\" loading=\"lazy\"><\/a>\n    <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.lean.testsqflite&#038;utm_source=seo&#038;utm_medium=blog&#038;utm_campaign=pillar-tef-footer\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/lean-app.com\/wp-content\/uploads\/2026\/05\/lvm-googleplay-official.webp\" alt=\"Disponible sur Google Play\" loading=\"lazy\"><\/a>\n  <\/div>\n<\/div>\n\n<\/main>\n\n<script>(function(){\n  var phoneImg = document.getElementById('phoneImg');\n  var phoneBack = document.getElementById('phoneBack');\n  var zones = document.getElementById('phoneZones');\n  var topTabs = document.querySelectorAll('.phone-tabs button');\n  var navTaps = document.querySelectorAll('.phone-navbar button');\n  var tabMap = {\n    bilan:    {drill:false},\n    kcal:     {drill:false},\n    depense:  {drill:true},\n    strategie:{drill:false}\n  };\n  var currentTab = 'depense';\n  function setActive(tab){\n    topTabs.forEach(function(b){ b.classList.toggle('on', b.dataset.tab===tab); });\n  }\n  function showTab(tab){\n    var t = tabMap[tab]; if(!t) return;\n    currentTab = tab;\n    phoneImg.style.opacity = 0;\n    setTimeout(function(){\n      phoneImg.className = 'phone-bg tab-' + tab;\n      phoneImg.style.opacity = 1;\n      zones.style.display = t.drill ? 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Il repr\u00e9sente 8 \u00e0 15 % de la d\u00e9pense calorique totale et entre dans TDEE = BMR + NEAT + EAT + TEF.\"}},{\"@type\":\"Question\",\"name\":\"Pourquoi les prot\u00e9ines ont-elles le TEF le plus \u00e9lev\u00e9 ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Les prot\u00e9ines n\u00e9cessitent synth\u00e8se, transaminaison et d\u00e9samination. Co\u00fbt en ATP \u00e9lev\u00e9 : 20 \u00e0 30 % des calories prot\u00e9iques sont br\u00fcl\u00e9es \u00e0 la digestion.\"}},{\"@type\":\"Question\",\"name\":\"MyFitnessPal calcule-t-il le TEF ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Non. MFP, Yazio, Cronometer et la plupart des apps n'int\u00e8grent pas le TEF. Ils utilisent un coefficient PAL fixe qui ne refl\u00e8te pas ta composition en macros du jour.\"}},{\"@type\":\"Question\",\"name\":\"Comment Lean calcule-t-il le TEF ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Lean applique P \u00d7 25 % + G \u00d7 8 % + L \u00d7 2 % sur chaque repas log\u00e9. Le r\u00e9sultat est int\u00e9gr\u00e9 en temps r\u00e9el dans ton TDEE du jour.\"}},{\"@type\":\"Question\",\"name\":\"Combien de calories repr\u00e9sente le TEF par jour ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sur 2 000 \u00e0 2 500 kcal, entre 160 et 250 kcal selon ta composition en macros. Sur une ann\u00e9e, c'est des dizaines de milliers de kcal ignor\u00e9es par les apps qui ne le calculent pas.\"}},{\"@type\":\"Question\",\"name\":\"Le TEF diminue-t-il en d\u00e9ficit calorique ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Le TEF absolu diminue avec les apports, mais le pourcentage reste stable selon tes macros. Maintenir un apport prot\u00e9ique \u00e9lev\u00e9 pr\u00e9serve le ratio TEF\/apport.\"}},{\"@type\":\"Question\",\"name\":\"Les aliments transform\u00e9s ont-ils un TEF plus faible ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Oui. Barr & Wright (2010) ont mesur\u00e9 que les repas base d'aliments entiers g\u00e9n\u00e8rent un TEF environ 50 % plus \u00e9lev\u00e9 que des repas \u00e9quivalents base d'aliments transform\u00e9s.\"}},{\"@type\":\"Question\",\"name\":\"TEF et DIT, c'est la m\u00eame chose ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Oui, TEF (Thermic Effect of Food) et DIT (Diet-Induced Thermogenesis) d\u00e9signent la m\u00eame r\u00e9alit\u00e9. TEF est plus utilis\u00e9 dans la litt\u00e9rature anglophone.\"}}]},{\"@type\":\"MobileApplication\",\"name\":\"Lean\",\"operatingSystem\":\"iOS, Android\",\"applicationCategory\":\"HealthApplication\",\"description\":\"Lean calcule ton TEF en temps r\u00e9el sur chaque repas. TDEE complet : BMR + NEAT + EAT + TEF sur bodyfat r\u00e9el.\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.7\",\"ratingCount\":\"1000\",\"bestRating\":\"5\"},\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"downloadUrl\":\"https:\/\/apps.apple.com\/fr\/app\/lean-calorie-ai-podometre\/id6738668646\"}]}\n<\/script>\n\n<\/div>\n\n\n<!-- lean-mesh-v16 -->\n<aside class=\"lean-mesh\" style=\"margin:48px auto;max-width:760px;padding:24px 28px;background:#ffffff;border-left:4px solid #FF2D6E;border-radius:0 12px 12px 0;box-shadow:0 6px 24px rgba(20,20,40,0.06);font-family:-apple-system,'SF Pro Text','Segoe UI',Roboto,Arial,sans-serif;color:#1a1a2e;\"><p style=\"margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;color:#FF2D6E;\">Lees ook<\/p><ul style=\"list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:10px;\"><li><a href=\"https:\/\/lean-app.com\/nl\/metabolisme-de-base\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">Basaal metabolisme (BMR): alles wat je moet weten om het te berekenen <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Definitie, TDEE-vergelijking, 4 historische formules, waarom het vetpercentage alles verandert.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/depense-energetique-totale-v2\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">Totaal energieverbruik (TDEE): de canonieke formule BMR + NEAT + EAT + TEF <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Begrijp de 4 bouwstenen + de metabole adaptatie, wetenschappelijke bronnen 2025.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/neat-depense-non-sportive\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">NEAT: het niet-sportieve calorieverbruik dat 15 tot 50% van je TDEE weegt <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Stappen, verplaatsingen, fidgeting. Waarom Mifflin zich vergist door je activiteit te negeren.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/eat\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">EAT: je echte sportverbruik, training per training <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">De juiste MET, de valkuil van dubbeltelling, wat Garmin en MyFitnessPal missen.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/meilleures-applications-calories-2026\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">De beste apps om calorie\u00ebn te tellen in 2026: 8 apps getest <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Lean, MFP, Cronometer, Yazio, Lifesum, FatSecret, Noom, Foodvisor.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/alternative-myfitnesspal\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">Welk alternatief voor MyFitnessPal in 2026? 5 apps getest <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Eerlijke vergelijking, TDEE-precisie, ergonomie.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/calculateur-deficit-calorique\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">Calculator calorietekort: de juiste aanpak voor een cut <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">Tekort op je echte TDEE op basis van vetpercentage. 3 tempo&rsquo;s: langzaam\/matig\/agressief.<\/span><\/a><\/li><li><a href=\"https:\/\/lean-app.com\/nl\/calculer-vraie-depense-calorique\/\" style=\"display:block;padding:14px 16px;background:#FAF7F2;border-radius:8px;color:#1a1a2e;text-decoration:none;font-weight:600;line-height:1.4;\">Hoe je je echte calorieverbruik berekent: de complete gids <span style=\"color:#4D4D52;font-weight:400;display:block;font-size:14px;margin-top:4px;\">BMR op echt vetpercentage, NEAT per stappen, EAT per training, TEF per macro&rsquo;s, adaptatie.<\/span><\/a><\/li><\/ul><\/aside>","protected":false},"excerpt":{"rendered":"<p>Lean Accueil Accueil &nbsp;\/&nbsp; TEF Pilier &middot; Science du m&eacute;tabolisme TEF (Thermic Effect of Food). Le guide complet pour comprendre la d&eacute;pense calorique cach&eacute;e de la digestion. La digestion br&ucirc;le des calories. 20 &agrave; 30&nbsp;% des prot&eacute;ines, 5 &agrave; 10&nbsp;% des glucides, 0 &agrave; 3&nbsp;% des lipides. Toutes les apps l&rsquo;ignorent. Lean le calcule en [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-lvm-blank","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1675","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thermisch effect van voeding (TEF): waarom Lean 69 kcal berekent die andere apps negeren - Lean<\/title>\n<meta name=\"description\" content=\"Het thermisch effect van voeding (TEF) is 10 % van je calorie\u00ebn die je alleen al door te verteren verbrandt. 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