Horse First Hoof First Supplement is a unique formula promotes the growth of strong, healthy hooves. Double strength biotin formula includes all the essential vitamins and minerals to produce a healthy hoof. Horse First Hoof First Supplement helps to grow hooves that are better for the farrier to work with, fights problems such as thin soles, cracked, chipped or weak hooves and avoids the extra expense of lost shoes. Key Features & Benefits 40mg Biotin per serving. The strongest hoof product on the market. We have doubled the amount of essential Biotin to ensure optimum uptake. A 2kg tub provides 80 day supply, twice as long as other hoof products. Ingredients (per 25g scoop) Biotin 40mg, Methionine 3,000mg, Lysine, Zinc, Copper, Vitamin B1.