Goldman, D., Nagra, M. and Greger, M. 2026. Insufficient Evidence for Collagen Supplementation: A Critical Examination of Skin, Musculoskeletal, and Joint Health Claims. International Journal of Disease Reversal and Prevention. 8, 2 (Oct. 2026), 1–21. DOI:https://doi.org/10.22230/ijdrp.2026v8n2a631.