Horse First(R) Hoof First Supplements For stronger, healthier hooves, use Horse First(R) Hoof First. It contains double the biotin strength of many other hoof supplements on the market, while essential vitamins and minerals will help your horse fight such problems as cracked or weak hooves. Features: Endorsed and used by many of the world's top riders and trainers High-quality ingredients Contains 40mg of biotin per 25g dose, double the strength of many other hoof supplements on the market Contains Methionine, a Sulphur-rich amino acid essential in keratin formation Contains Zinc, which is essential for growth and healing Item Specifications: Ingredients per 25g scoop: Biotin: 40mg Methionine: 3,000mg Lysine: 1,000mg Copper: 75mg Zinc: 137mg Vitamin B1: 50mg Directions for Use: Feed one 25g scoop in feed every day until improvement is apparent. Then cut back to half a scoop daily. Ponies and small horses can be given half a scoop per day.