Assure Hoof Equine Hoof Supplement (5.5-Pound) Contains exclusive MINTREX chelated trace minerals provide higher absorption of copper and zinc to help support keratin synthesis in the hoof wall. Contains biotin, pyridoxine (Vitamin B6), and gelatin for strong hoof matrix formation that supports growth and hardness of hooves. Contains amino acids, such as lysine and methionine hydroxy analog, which are key building blocks for hooves, coat and muscle tissue. ASSURE Hoof is a granular product available in a 120 day supply ASSURE Hoof can be fed directly to a horse's daily concentrate or grain ration. One level scoop is 21 grams. Serving is based on 1100lb. horse; scoop enclosed