Since 1947Extra StrengthShellfish-FreePromotes Health JointsSupports Comfortable MovementNon-GMOCertified Gluten-FreeWheat & Dairy FreeDietary SupplementRegenasure® GlucosamineMade with BioCell CollagenOptiMSM®Glucosamine supports mobility range of motion and flexibility. It helps ease occasional joint stress due to exercise or physical activity. Chondroitin supports cartilage and joint function. MSM (Methylsulfonylmethane) provides a natural bioavailable source of sulfur and promotes joint comfort. MSM works synergistically to support the benefits of glucosamine and chondroitin. This formulation also provides Hyaluronic Acid.