The evolution of hoof supplements has begun! Hoof Evolution combines one of the highest concentrations of biotin per serving (118.75mg/oz.) and specialized ingredients that have been case studied for vasodilatation properties. Hoof Evolution contains Zinc, Manganese, Copper, Methionine, and L-Lysine that are also vital nutrients to rapid hoof growth and strength. It provides high levels of nutrients, helps promote blood flow and circulation to the hoof.