Goldman D, Nagra M, Greger M. Insufficient Evidence for Collagen Supplementation: A Critical Examination of Skin, Musculoskeletal, and Joint Health Claims. ijdrp [Internet]. 2026 Oct. 12 [cited 2026 Oct. 12];8(2):1-21. Available from: https://ijdrp.org/index.php/ijdrp/article/view/631