Ultimate HoofBiotin supports Healthy Hoof Growth Essential Minerals include Calcium, Chelated Zinc, Copper and Manganese Additional Benefits are added by including Amino Acids of L Lysine and DL Methionine Guaranteed Analysis: Calcium (min) . 3% Sulfur (Min %)0. 60 % Selenium (min)0. 3 PPM Manganese (min). 60 PPM Calcium (max) . 4% Copper (min). 55 PPM Zinc (min) 110 PPM Biotin (min)480 mg lb Ingredients: Extruded Soybean Meal, Alfalfa Meal, Gypsiferrous Shale,