Vitamin E and selenium support immune system and muscle health. Ideal for horses in intense training and competition. Each half ounce contains 625 IU of vitamin E and 1 milligram of selenium. Crumbles are easy to feed. Suitable for all classes of horses. When it comes to your “mane” man’s health, you don’t horse around. Keep him in peak condition with Horse Health Vita E & Selenium Crumbles. Specially formulated to provide balanced vitamin E and selenium levels for your horse, these easy to feed crumbles help support muscle and nerve function, maintain a strong immune system and protect cell membranes against free radical damage caused by oxidative stress.