This hoof supplement helps support healthy hooves for your horses. Formula contains the essential amino acids: lysine and methionine. This product is vital for growth and tissue maintenance in horses. Formula also contains vitamin B6, which aids in the metabolism of these amino acids. Specially formulated to contain 20 mg of biotin per oz. Biotin helps aid in hoof growth and improves weak or cracked hooves. Product comes in 3lb. container.