topicCollagen Peptides Joint Function Randomized Trial
claimAmong them, type I collagen is the most abundant and is primarily found in skin, bones, and tendons, while type II is predominant in cartilage and type III is commonly associated with extensible tissues such as skin and blood vessels [].
evidence level4
citationBiełach-Bazyluk Angelika (2026)
sourceDietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing