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The impact of collagen peptide supplementation on body fat reduction and improvement in body composition, particularly when combined with resistance training.
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...
Clinical trials show that gelatin and some collagen formulations can reduce subjective hunger and decrease immediate energy intake when taken as a preload before a meal, but randomized trials and meta...
Three relevant registered but unpublished trials of gelatin/collagen that touch on body composition, appetite or related metabolic biomarkers appear in public registries, but the available records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...
Clinical trials show mixed but suggestive signals that certain collagen or gelatin products can modestly reduce appetite or body fat in some settings—particularly in older adults or when formulated to...
A small but growing set of peer‑reviewed randomized controlled trials has tested collagen (mostly hydrolyzed collagen peptides) or engineered gelatin formulations against placebo and reported reductio...