factually
Index/Topics/Collagen for Weight Loss

Collagen for Weight Loss

The effectiveness of collagen or gelatin for weight loss, as examined through randomized controlled trials and systematic reviews.

Fact-Checks

4 results
Jan 19, 2026
Most Viewed

What randomized controlled trials have tested collagen or gelatin supplements for weight loss and what were their designs and outcomes?

Randomized controlled trials of collagen/gelatin for weight loss are limited but growing: several 12-week RCTs of collagen peptides in older or overweight adults reported modest reductions in body fat...

Jan 18, 2026
Most Viewed

What scientific evidence supports gelatin or collagen supplements for appetite control and weight loss?

Small human studies and animal experiments suggest gelatin and some collagen formulations can increase satiety hormones (like GLP‑1) or reduce hunger in the short term, but the clinical picture is mix...

Jan 18, 2026

What registered but unpublished clinical trials exist testing gelatin/collagen for weight management and what are their primary outcomes?

Three relevant registered but unpublished trials of gelatin/collagen that touch on body composition, appetite or related metabolic biomarkers appear in public registries, but the available records and...

Jan 17, 2026

What randomized trials exist testing gelatin or collagen consumption for weight loss outcomes?

Randomized controlled trials examining gelatin or collagen for weight loss are limited but emerging: several small RCTs report modest reductions in body fat, weight, or appetite using hydrolyzed colla...