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The use of collagen peptides in reducing obesity, as studied in animal meta-analyses and human trials.
The evidence base since 2010 contains multiple randomized controlled trials (RCTs) and systematic reviews that examine collagen peptides or gelatin for and short-term fat loss, but no large, long‑dura...
Clinical trials have tested oral collagen (including hydrolysed collagen peptides) and gelatin in short to medium‑term interventions—most commonly 8–12 weeks—with some randomized controlled trials rep...
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...
Peer‑reviewed research on gelatin or collagen supplements for appetite control and weight loss is limited but growing: a handful of human randomized trials report modest effects on satiety or body com...
There is no evidence in the supplied reporting that any registered, long‑term (≥6 months) clinical trials currently recruiting are testing collagen or gelatin specifically for sustained weight loss; t...
Clinical research paints a guardedly optimistic but inconclusive picture: some randomized trials and a notable 2024 human study of a modified, low‑digestibility collagen showed reduced appetite and mo...