How it really works: The glucosamine and chondroitin in Cosequin Senior rebuild and sustain cartilage, bettering joint cushioning and flexibility. Omega-three fatty acids lower joint inflammation and nourish the skin and coat, assisting senior dogs feel and appear much better. Many products and solutions use glucosamine and chondroitin but try https://www.amazon.com/dp/B082XJ4R2F