Keeping your horse’s hooves healthy is key to your equine friend’s overall health and performance. Cox Vet Lab Hoof Secret Pellets Horse Supplements are made with biotin, methionine, lysine and zinc to help promote new growth and help improve the overall hardness and thickness of your horse’s hooves. Made with alfalfa that horses love, the taste—in addition to the health benefits—will have your horse kicking up his hooves.