GlycoFlex 1 supports the structure and function of joints and connective tissue for puppies and dogs throughout their lives. Stage 1 contains perna canaliculus, glucosamine HC1, and DMG (dimethylglycine) to help support the rebuilding of collagen, cartilage, and joint structures. This formula provides reinforcement for puppies, or dogs predisposed to hip or joint dysfunction, for the maintenance of optimal joint health. GlycoFlex 1 - Reinforce For use in dogs only. Maintenance of joint and connective tissue health Recommended by veterinarians for puppies and dogs For breeds predisposed to hip and joint dysfunction Chicken liver flavored chewable tablets for easy administration DMG is used to support proper immune response, cardiovascular and skin health. It can also help reduce stress and has anti-inflammatory properties. Available in a 90 and 120 count bottle.