* Science-Based Nutrition * Dietary Supplement * OptiMSM * BioCell Collagen * Maintains and Lubricates Healthy Joints & Connective Tissue Glucosamine Chondroitin MSM + Hyaluronic Acid contains sodium-free potassium stabilized glucosamine sulfate, bovine chondroitin sulfate, pure MSM (OptiMSM), and patented BioCell Collagen (US patent 6,025,327; 6,323,319; 6,780,841; 7,091,180; & 7,799,348). Helps maintain and lubricate strong, healthy and flexible joints. Supports the body"s connective tissue. Benefits hair, skin and nails.