Farrier's Magic Plus Hoof Supplement, 11 pounds Total nutritional supplement with increased levels of biotin (20mg) Develops a shiny coat, healthy skin, and quality hoof structure Alfalfa meal base is highly palatable and has a high carotene content Also contains: copper, metionine, zinc, iodine and Vitamin C and A Size: 11 lb tub will provide about a 30 day supply for one horse