Description Ingredients & Product Analysis Reviews Joint Support Formula with Hyaluronic Acid for Horses in Competition Ortho-Chon ® II HA is a joint formula recommended for horses in competition. Ortho-Chon ® II HA supports healthy joints and also helps maintain the synovial fluid that lubricates the joints. Ortho-Chon ® II HA contains hyaluronic acid, as well as cetyl myristoleate, boswellia serrata, and vitamin C. Like Ortho-Chon ® II, Ortho-Chon ® II HA does not include devil's claw or cat's claw and is in full compliance for horses in competition. Recommendation for Use: Administer 1 level scoop (10,700mg) twice daily or as recommended by your veterinarian. Servings based on an average horse weight of 450kg. Glucosamine Sulfate 2KCl, Methylsulfonylmethane (OptiMSM ® ††), Boswellia serrata Extract, Cetyl Myristoleate, Hyaluronic Acid, Vitamin C (ascorbic acid) ††OptiMSM ® is a registered trademark of Bergstrom Nutrition. Active Ingredients Per 1 Scoop (10,700mg) Glucosamine Sulfate 2KCl (shellfish source) 4,150mg Methylsulfonylmethane (OptiMSM ®) 4,150mg Boswellia serrata Extract 830mg Cetyl Myristoleate 150mg Hyaluronic Acid 250mg Vitamin C (ascorbic acid) 100mg