Farrier's Magic Flex-N-Action is a timothy-based pellet that contains the recommended ingredients for joint control and normal healthy function. It may help in conditioning and repairing damaged tissue. It contains Glucosamine HCI, Chondrotin Sulfate, Hyaluronic Acid and MSM. HA is used to lubricate the joints and gives a cushion effect between them. Chondroitin is a major natural material found in joints, ligaments, tendons, and other connective tissue. Glucosamine is the single most important component in connective tissue and MSM is the building block for hair, muscles and connective tissue. Feed 1 oz. to food ration daily per horse. The 2.5 lb size provides up to a 40 day supply for one horse.