Vita Flex Pro Equinyl Glucosamine + HA provides a concentrated horse joint supplement formula for maximum performance demands. Vita Flex Equinyl Glucosamine with Hyaluronic Acid contains twice the Glucosamine of the Equinyl Combo and does not contain Chondroitin Sulfate. It also features MSM, Ester C*, Zinc, Hyaluronic Acid, Manganese and Copper along with Comfort X Microlactin , a unique ingredient that may reduce inflammation associated with training and competition without causing gastrointestinal side effects. This formula contains 10,000 mg of marine glucosamine, including 8,000 mg of immediate release glucosamine HCl plus 2,000 mg of Patented time released glucosamine. Hyaluronic acid is included to provide additional joint support for flexibility and healthy joints.