JOINTSURE Joint Supplements for Dogs. Advanced formula with 7 high strength active ingredients for dog joint care: green lipped mussel, glucosamine, natural chrondroitin, vitamin C, vitamin E, manganese and hyaluronic acid. Our triple-action formula relieves joint stiffness, supports joint structure and maintains joint mobility. Relieves the symptoms of joint pain and arthritis in all dogs. UK manufactured ---JOINT SUPPLEMENTS FOR DOGS - Our Dog Joint Supplement tablets contain 7 Active Ingredients: Green Lipped Mussel, Glucosamine, Natural Chondroitin, Vitamins C and E, Manganese and Hyaluronic Acid. Formulated to soothe stiff joints and improve joint comfort. ---POWERFUL DOG JOINT CARE - Rich in natural chondroitin from Green Lipped Mussel for slowing the breakdown of cartilage.