(Vita Flex Nutrition) Blend of nutrients which is specially designed to promote both rapid growth and optimal durability in the equine athlete's hooves, Hoof Thrive's carefully selected combination of B-complex vitamins, amino acids, minerals, probiotics and sulfur donors makes it the ultimate hoof conditioner. Each ounce delivers 20 mg of biotin plus methionine and eight other nutrients for maximum synergy. Recommended feeding is 1 ounce per day for maintenance. Scoop provided. Powder.