With the ADM GROSTRONG Horse Supplement， you can ensure your horse gets the nutrition he needs to be healthy as， well， a horse! This supplement complements forages and grains， ideal for horses who are on little or no concentrated feed or who are eating nutrient-deficient grass or hay. It contains 28 vitamins and minerals that are delivered at optimal levels， so your horse gets the best benefits out of every serving. Biotin promotes both skin and hoof health. Natural-source vitamin E helps protect your horse against vitamin E deficiency when fresh grass is limited. All of this good stuff together supports your horse’s growth， health and performance.