Joint Mobility and Comfort Promotes Healthy Skin Clinically Validated BioCell Collagen? is a versatile nutritional supplement that supports both joint health and moisture retention in mature skin. This patented, pre-digested complex from chicken sternal cartilage has natural 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.BioCell Collagen? is a registered trademark of BioCell Technology LLC, Irvine, California USA (Protected by Patents).Natural color variation may occur in this product.