These tablets contain Fish Oil, Glucosamine & Chondroitin Amino Sugars, MSM and B-Complex Vitamins. Fish Oil (Omega-3) helps maintain flexible and supple joints, a healthy heart and circulation. Glucosamine & Chondroitin Amino Sugars help in the formation and rebuilding of cartilage, tendons and ligaments as well as lubricating the joints, enabling easier movement. MSM is rich in organic sulphur and helps maintain elasticity and connective tissue for healthy movement in the joints and supple muscles. B-Complex Vitamins help promote a shiny healthy coat, fitness and vitality by releasing energy to the muscles.