Arthropet joint formula supports the diets of pets suffering articular cartilage and connective tissue problems. This tasty wafer contains immucell collagen II which provides the major components of articular cartilage - collagen type II protein, chondroitin, glucosamine, and hyaluronic acid. Glucosamine and chondroitin extracted from sources other than chicken sternal cartilage do not have the same molecular blue print found in immucell collagen II chicken sternal collagen type II. CMO is a revolutionary compound that research has identified as a joint lubricate and helps to promote mobile joint function. MSM is organic sulfur, and sulfur concentration is lower in unhealthy cartilage. MSM is a key component in the formation and maintenance of healthy bone, joints, and surrounding tissue. arthropettm is a delicious natural chicken flavor chewable wafer, pets love it every time, available at 60 wafers per bottle.