New improved - balanced biotin hoof supplement containing Biotin, Methionine, Zinc, MSM and Vitamin C. Biotin - a vitamin necessary for normal growth, feed efficiency, reproduction, healthy skin and hoof formation. DL Methionine - an essential amino acid necessary for growth and a wide variety body processes. Zinc Sulphate - a trace element necessary for muscle and bone growth and food utilisation. Vitamin C - for its anti-oxidant properties and is essential to formation and maintenance of connective tissues. MSM - A rich source of organic sulphur. It's also a component of connective tissue, the proteins that make up muscle, joints, skin, hair, hoof horn and keratin. Brewers Yeast - Excellent source of B-complex. Vitamins for growth and for nutrient utilisation. Calcium - plays an essential role in building stronger, denser bones/nails and is important for helping maintain healthy hoof growth.