Our clinically tested formula* provides Glucosamine, MSM, Chondroitin and Green Lipped Mussel to support connective tissue, cartilage health, joint movement, and lubrication of joints. Recommended for pets in need of advanced joint care, such as senior pets, those recovering from joint related injuries or surgery, or when the most support is needed. Cautions: Safe use in pregnant animals or animals intended for breeding has not been proven. If lameness worsens, discontinue use and contact your veterinarian. Administer during or after the animal has eaten to reduce incidence of gastrointestinal upset. Warnings: For animal use only. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately..