Matrix 5 H/A provides a comprehensive support formula to help support healthy joint function & promote long term joint health.  Matrix 5 H/A supports optimal joint health and mobility for your horse and is formulated with high levels of Hyaluronic Acid, MSM, Glucosamine, and Chondroitin Sulfate.  Also included is calcium ascorbate (Vit. C), an important antioxidant, to support a healthy immune system.