Comprehensive joint formulas can help maintain equine joint mobility, strong bones, cartilage, structural integrity and function. Glucosamine maintains the health and resiliency of joints and connective tissue and helps to maintain synovial fluid that lubricates the joint. Chondroitin provides connective tissue support. Hyaluronic Acid (HA) gives elasticity to the joints and is important for tissue hydration and lubrication. MSM (Methylsulfonylmethane) is important for connective tissue integrity and to help maintain normal, healthy cartilage.