UltraCruz Horse Advanced Hoof supplement contains a comprehensive mixture of essential ingredients that support healthy Hoof growth. This Collection of ingredients works to strengthen Hoof walls and prevent Hoof cracks. Biotin acts as one of the key components - involved in energy generation, protein metabolism, fatty acid synthesis and supports the quality of Hoof growth. Biotin works best in combination with other factors such as l-lysine, copper and zinc this blend of easily digestible ingredients all work together for optimal Hoof health.