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Collagen and Gelatin for Weight Loss

The effectiveness of collagen and gelatin for weight loss, including the results of randomized trials and the opinions of regulators and academic reviewers.

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Jan 25, 2026
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What randomized trials exist testing gelatin or collagen supplements for long‑term weight loss?

exist showing modest, short-term effects of collagen peptides or gelatin on body composition—most are 12-week interventions in older adults or 12-week trials in people with overweight/obesity—while ge...

Feb 1, 2026

What are evidence-based uses of gelatin or collagen for appetite control or gut health?

Randomized human trials and systematic reviews show mixed, modest evidence that gelatin or specific collagen preparations can reduce short-term hunger or meal intake in some settings, but high‑quality...