GlycoFlex is a Glucosamine and MSM based joint supplement that provides dogs with many of the nutrients necessary to maintain healthy connective tissue, build healthy cartilage and support normal joint function. It is rich in amino acids, polypeptides, naturally chelated minerals, fatty acids, glycosaminoglycans (GAGs), vitamins, glycoproteins, protein complexes, polysaccharides and the nucleic acids RNA and DNA. Perna contains all major classes of GAGs including chondroitin 4 and 6 sulfates and hyaluronic acid that feed connective tissue such as joint cartilage, tendons, ligaments, and synovial fluids.