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Gelatin and Collagen Peptides

The differences between gelatin and collagen peptides, including their absorption, texture, and timing, and their effects on appetite hormones and energy intake.

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Feb 6, 2026

Which collagen or gelatin formulations (hydrolysed, native, swelling agents) have been tested for appetite suppression in human RCTs?

Randomized controlled trials in humans have tested and (a partially hydrolysed form) for effects on appetite and related hormones, with single‑dose and short‑term supplementation studies reporting sig...

Jan 19, 2026

Are there peer‑reviewed studies on gelatin or collagen supplements and appetite control or weight loss?

Yes — there are peer‑reviewed human studies and randomized trials testing gelatin or collagen (often labelled collagen peptides or hydrolysed gelatin) for effects on appetite regulation and body compo...