When your dog gets up more slowly to meet you and his leash at the door, you know hes not just tired. Its time for added joint support. Glyco Flex Plus, an advanced joint support supplement for dogs of any age, is clinically proven to increase hind leg strength up to 41% in just four weeks.* It combines glucosamine, chondroitin, Perna, DMG, MSM and important antioxidants to support your dogs everyday motion and comfort. 60 ct. chews for dogs over 30 lbs.