TRP-Tri-COX Soft ChewsTRP Tri COX 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. 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. Chicken flavored soft chews