The Cosequin ASU for Horses is a broad spectrum joint support formula that potentiates the activity of glucosamine and chondroitin sulfate. It contains avocado soybean and unsaponifiables (ASU) along with methylsulfonylmethane (MSM) in a tasty powder. All ingredients are well researched and professional strength. This ASU horse supplement is veterinarian recommended. It is not intended for cattle or ruminants. The box contains an 80-day supply on a long-term administration level of one scoop per day.