MegaFlex is comprised of important nutrients for dogs and cats to complement their overall diet. MegaFlex is a high potency formula designed to nourish and support connective tissue for healthy, flexible joints and comfortable movement. The formula features glucosamine sulfate, a critical precursor of synovial fluid and a necessary nutrient for rebuilding cartilage and improving joint function. Research studies at leading institutions have shown that glucosamine sulfate has a low molecular weight, thus enabling it to easily penetrate the villi of the small intestine and thus be well absorbed and utilized.*