Hooves - Blue Chip Original has a powerful blend of biotin, methionine, lysine and chelated zinc, along with other essential ingredients that have been shown to maintain and enhance healthy hoof structure and growth. Biotin, methionine and lysine interact to aid in the process of hoof formulation. Zinc is essential for keratin development and is incorporated in Blue Chip Original as a chelated mineral, meaning it is attatched to a protein, making it easier for the horse to utilise this essential mineral.