Cosequin ASU Plus from Nutramax is a researched, science-backed joint supplement to support your horse's healthy cartilage, especially for horses with an elevated workload. The ASU Plus formulation contains Glucosamine, Chondroitin, MSM, and ASU, with the addition of Hyaluronic Acid and a green tea extract. HA is a key ingredient in joint health, helping to lubricate joints and other tissues. Green tea extract is an antioxidant that can help protect your horse's body against free radicals. In combination, these ingredients may further inhibit the factors that contribute to joint damage.