No study has suggested the stuff is harmful. But there are wrinkles in the supplement’s effectiveness https://www.economist.com/science-and-technology/2025/08/01/should-you-take-collagen?taid=69ead805c75a3a00013e8f86&utm_campaign=editorial-social&utm_content=discovery.content&utm_medium=social-media.content.np&utm_source=voante
