Equine Hoof Guard offers an unbeatable combination of Biotin, Methionine, Zinc, MSM, and Soy Oil is designed to give your horse the support they need for strong and healthy hooves. With each 2-ounce dose, your horse will receive 32 mg of biotin, a crucial ingredient for hoof health. Packed with essential nutrients, Equine Hoof Guard will help keep your horse's hooves in great shape.