Purina SuperSport Horse Supplement enhances muscle development, exercise recovery, and overall athletic fitness. It is a supplement built for the performance horse. SuperSport is a high protein horse feed that has a guaranteed amino acid profile to maintain, improve, and build topline in horses. With is unique formula, it helps horses recover quicker and perform better. SuperSport has added antioxidants with vitamin E to help address the negative effects of free radicals. Purina Super Sport is built as a supplement to help optimize the performance horse.