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Appetite Suppression

The effect of different proteins on appetite suppression and energy intake

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Jan 7, 2026
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What is the science behind gelatin as an appetite suppressant and how does it compare to GLP‑1 medications?

The gelatin “pre‑meal” trick appears to suppress appetite primarily through mechanical gastric effects and by modestly raising endogenous GLP‑1 and insulin after ingestion, according to small clinical...

Jan 16, 2026

What randomized controlled trials compare gelatin or collagen supplements directly with whey or casein for short‑term appetite and energy intake?

Randomized controlled trials directly comparing gelatin or collagen with whey or casein for short‑term appetite and energy intake are limited but informative: a 2009 randomized breakfast study found g...