Ortho-Chon® II is a joint formula recommended for horses in competition. Ortho-Chon® II helps support the structural integrity of the joint and connective tissue by providing Glucosamine Sulfate, MSM and specific herbs and antioxidants to help maintain healthy cartilage. Ortho-Chon® II is most effective when used in conjunction with Platinum Performance® Equine, because of the levels of omega-3 fatty acids.