Collagen is a protein that forms the strong, flexible white fibers of the body's bone, cartilage, and connective tissue (such as tendons, ligaments, and skin).
Primary Medical ReviewerSarah Marshall, MD - Family Medicine
Specialist Medical ReviewerFemi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
Current as ofNovember 14, 2014
WebMD Medical Reference from Healthwise