Horses Prefer Bio-Hoof Powder, 5 lbContains 20 mg Biotin per oz and 85 mg Methionine per oz for hoof conditioning. Bio-Hoof aids horses with:weak hoof wallsslow hoof growthcracked hoovespoor quality hair growthKey Points of Bio-Hoof:high levels of biotinchelated zincfortified with amino acidsfor all classes of horsesFeed 1 oz for every 1,000 lb body weight. Apple flavored.View Bio-Hoof Horse Supplement manufacturer and label information