Horse Guard manufactures the highest equine biotin supplement on the market. Biotin Hoof Blast contains 100 mg of biotin per serving along with other important nutrients for hoof growth and strength. This product is great for horses that have had major damage to their hoof. Another equine hoof supplement we make is Hoof Guard, which is designed for horses with brittle, shelly hooves. When trying to improve your horse’s hooves don’t just look for an equine biotin supplement. A complete equine hoof supplement is needed for improvement. Horse Guard’s combination of biotin, zinc, methionine and MSM makes Horse Guard’s equine hoof supplements the obvious choice. So when choosing an equine biotin supplement, choose Horse Guard’s Hoof Guard, Hoof and Hair Guard or Biotin Hoof Blast.