Now Clinically Tested Quality Products - Wheat Free - For Over 20 Years Increases Activity* Glucosamine, MSM, Chondroitin, Hyaluronic Acid Quality Seal - NASC Recommended to support healthy hip and joint function. Helps to maintain joint flexibility and alleviate aches and discomfort associated with daily exercise. *Dogs on the test supplement had 2.6 greater odds of showing an increase in activity after 25 days (relative to baseline activity), compared to dogs on a placebo. Results may vary.