Biotin II 22X – Healthy hooves are a prerequisite to having a sound horse & a successful career in the show pen! Studies indicate that 15 mg or greater of biotin on a daily basis can be beneficial to hoof growth and strengthening. Pellet supplement contains 22 mg biotin per oz, plus trace minerals, lactobacillus, and the essential amino acids, dl-methionine, l-lysine, pyridoxine and manganese. Dosage: 3/4 - 1 oz daily. 5 lbs = about 80 servings.