To aid in the prevention of autoimmune attacks on joints. Newly discovered findings reveal that an abnormal response of the immune system to exposed cartilage proteins is the primary factor in the occurrence and progression of osteoarthritis. TriCOX Soft Chews contain cartilage building blocks, COX-inhibitors, antioxidants, and UC-II (undenatured type II collagen). UC-II has been shown to desensitize the immune system and prevent pro-inflammatory immune attacks on joints.