The TRM Maxi-Top Equine Horse Supplement is a rich source of amino acids for muscle growth. Maxi-Top Equine is a complementary feed supplement for horses, designed to supply a significant source of amino acids, particularly branch chain amino acids, which will assist in the development and maintenance of muscle mass in horses in intense training and competition, in young growing horses and during periods of rehabilitation after surgery or injury. It's made of selective precipitate of pea protein isolate, soya beans (extruded), calcium hydrogen orthophosphate and inactivated yeast. Use this supplement with horses of all life stages. Its pelleted form makes it easy to feed and digest.