Plateau Vitamin E & Selenium Crumblet provides optimum nutritional support for horses of all classes in an easy-to-feed, tasty crumblet. Provides excellent source of vitamin E (20,000 IU/lb) and selenium (min 0.01%/lb) for horses missing or not getting enough from their diets. Also contains 64 mg zinc per serving for additional hoof and coat support. Dosage: Top dress or mix 1/2 oz with feed. Enclosed scoop = 1/2 oz. 2.5 lbs = 80 day supply.