Effect of collagen supplementation on osteoarthritis symptoms: a meta-analysis of randomized placebo-controlled trials.
Juan Mario García-CoronadoLorena Martínez-OlveraRodrigo E Elizondo-OmañaCarlos Alberto Acosta-OlivoFélix Vilchez-CavazosLuis Ernesto Simental-MendíaMario A Simental-MendíaPublished in: International orthopaedics (2018)
The results of this meta-analysis showed that collagen is effective in improving OA symptoms by the decrease of both total WOMAC index and VAS score.