2 LB, Nu-Hoof Maximizer, Scientifically Formulated Equine Supplement With 30 mg Of Biotin, Folic Acid, Riboflavin, Methionine, Copper, Iodine & Zinc, Based On Research That Demonstrated The Beneficial Effects Of A Biotin Based Supplement On Hoof Condition By Reducing The Incidence & Severity Of Horn Defects, Increasing Tensile Strength, & Improving The Condition Of The White Line.