BIO-HOOF 5LB, Bio Hoof – Highly palatable, apple flavored powder hoof supplement with elevated levels of biotin and methionine. Designed to aid in rapid improvement of weak hoof wall, slow hoof growth, cracked hooves and poor quality hair growth. Dosage: 1 oz per 1,000 lbs body weight. Each dose contains 20 mg biotin. 80 day supply.