Clinically Validated NOW Foods® BioCell Collagen® is a versatile nutritional supplement that supports both joint health and moisture retention in mature skin. This pre- digested complex from chicken sternal cartilage has hydrolyzed collagen and other naturally occurring elements of healthy connective tissues, including chondroitin and hyaluronic acid. With BioCell Collagen® you can promote healthy joint function, comfortable movement, and strong connective tissue while maintaining normal moisture levels in aging skin.