Collagen supplementation; Meta-analysis; Osteoarthritis symptoms; Visual Analogue Scale; WOMAC index

Effect of collagen supplementation on osteoarthritis symptoms: a meta-analysis of randomized placebo-controlled trials

This meta-analysis of five randomized placebo-controlled trials evaluated the impact of oral collagen supplementation on osteoarthritis (OA) symptoms. The findings suggest that collagen may help reduce the overall disea…