Eiwitten: iedereen praat erover, waardoor ook Tom door de bomen het bos niet meer ziet. Daarom duiken dokter Alexander Rakic en proefkonijn Tom van der Kolk in deze aflevering van Lang Zal Je Leven in de wereld van eiwitten. Hoeveel heb je écht nodig, wanneer kun je het het best nemen, en helpt meer eiwit eten eigenlijk bij afvallen?
Ze factchecken de populairste eiwitclaims:
- Moet je direct na het sporten eten vanwege het anabolic window?
- Hoeveel gram eiwit heb je nodig per kilo lichaamsgewicht?
- Helpt eiwit eten bij vetverlies?
- En is vegetarisch eten echt minder effectief dan vlees?
Tom test het in de praktijk, Alexander checkt de wetenschap.
🗣️ Waar zoek jij naar steun? Als grootste online therapieplatform ter wereld biedt Betterhelp toegang tot deskundige therapeuten. Luisteraars van deze podcast krijgen 10% korting op de eerste maand via www.betterhelp.com/langzaljeleven
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🥼Alle onderzoeken die in deze aflevering worden besproken vind je hier:
- Morton RW, Murphy KT, McKellar SR, Schoenfeld BJ, Henselmans M, Helms E, Aragon AA, Devries MC, Banfield L, Krieger JW, Phillips SM. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. Br J Sports Med. 2018 Mar;52(6):376-384. doi: 10.1136/bjsports-2017-097608. Epub 2017 Jul 11. Erratum in: Br J Sports Med. 2020 Oct;54(19):e7. doi: 10.1136/bjsports-2017-097608corr1. PMID: 28698222; PMCID: PMC5867436.
- Nunes EA, Colenso-Semple L, McKellar SR, Yau T, Ali MU, Fitzpatrick-Lewis D, Sherifali D, Gaudichon C, Tomé D, Atherton PJ, Robles MC, Naranjo-Modad S, Braun M, Landi F, Phillips SM. Systematic review and meta-analysis of protein intake to support muscle mass and function in healthy adults. J Cachexia Sarcopenia Muscle. 2022 Apr;13(2):795-810. doi: 10.1002/jcsm.12922. Epub 2022 Feb 20. PMID: 35187864; PMCID: PMC8978023.
- Tagawa R, Watanabe D, Ito K, Otsuyama T, Nakayama K, Sanbongi C, Miyachi M. Synergistic Effect of Increased Total Protein Intake and Strength Training on Muscle Strength: A Dose-Response Meta-analysis of Randomized Controlled Trials. Sports Med Open. 2022 Sep 4;8(1):110. doi: 10.1186/s40798-022-00508-w. PMID: 36057893; PMCID: PMC9441410.
- Santini MH, Erwig Leitão A, Mazzolani BC, Smaira FI, de Souza MSC, Santamaria A, Gualano B, Roschel H. Similar effects between animal-based and plant-based protein blend as complementary dietary protein on muscle adaptations to resistance training: findings from a randomized clinical trial. J Int Soc Sports Nutr. 2025 Dec;22(1):2568047. doi: 10.1080/15502783.2025.2568047. Epub 2025 Oct 8. PMID: 41059835; PMCID: PMC12509290.
- López-Moreno M, Rossi EV, López-Gil JF, Marrero-Fernández P, Roldán-Ruiz A, Bertotti G. Are Plant-Based Diets Detrimental to Muscular Strength? A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Sports Med Open. 2025 Jun 2;11(1):62. doi: 10.1186/s40798-025-00852-7. PMID: 40455307; PMCID: PMC12130401.
- Tagawa R, Watanabe D, Ito K, Ueda K, Nakayama K, Sanbongi C, Miyachi M. Dose-response relationship between protein intake and muscle mass increase: a systematic review and meta-analysis of randomized controlled trials. Nutr Rev. 2020 Nov 4;79(1):66–75. doi: 10.1093/nutrit/nuaa104. Epub ahead of print. PMID: 33300582; PMCID: PMC7727026.
- Trommelen J, van Lieshout GAA, Nyakayiru J, Holwerda AM, Smeets JSJ, Hendriks FK, van Kranenburg JMX, Zorenc AH, Senden JM, Goessens JPB, Gijsen AP, van Loon LJC. The anabolic response to protein ingestion during recovery from exercise has no upper limit in magnitude and duration in vivo in humans. Cell Rep Med. 2023 Dec 19;4(12):101324. doi: 10.1016/j.xcrm.2023.101324. PMID: 38118410; PMCID: PMC10772463.
- Zhao S, Zhang H, Xu Y, Li J, Du S, Ning Z. The effect of protein intake on athletic performance: a systematic review and meta-analysis. Front Nutr. 2024 Nov 6;11:1455728. doi: 10.3389/fnut.2024.1455728. PMID: 39628467; PMCID: PMC11613885.
- Hudson JL, Iii REB, Campbell WW. Protein Distribution and Muscle-Related Outcomes: Does the Evidence Support the Concept? Nutrients. 2020 May 16;12(5):1441. doi: 10.3390/nu12051441. PMID: 32429355; PMCID: PMC7285146.
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