Stage 1 reinforcement for younger dogs or dogs predisposed to hip or joint dysfunction for the maintenance of optimal joint health glycoflex i contains perna canaliculus glucosamine hcl and dimethylglycine to help support the rebuilding of collagen cartilage and joint structures it is part of the vetri science stage of life program glyco flex i supports the structure and function of joints and connective tissue for puppies and dogs throughout their lives maintenance of joint and connec