Horseshoer's Secret Concentrate by Farnam, an official supplement of the American Farrier's Association, prevents cracked hooves and weak walls while restoring normal hoof growth. With 25 mg of biotin per 2 ounce dose as well as chelated minerals, essential amino acids, and omega-3 and 6 fatty acids, the highly palatable, pelleted Horseshoer's Secret Concentrate will help your horse hold shoes longer by improving the overall strength and quality of his hooves. 3.5 lbs