Use HorseTech's Selenium Supplement to boost selenium levels in equine diets. Each 10 gram serving (1 scoop) provides 1 mg of selenium from selenium yeast complex. The small 10 gram serving is well accepted and the flax/yeast culture is very palatable. This product does not contain vitamin E. For a premium grade Selenium and Vitamin E supplement, please consider Selen AT. All sizes with Free Shipping in Continental U.S. (via UPS or USPS)* --- Selenium Yeast on a Palatable Flax Base Directions for Use Use to supplement Selenium (Se) in complete equine diets. Do not feed undiluted - it should be added to other feed ingredients. Excess selenium intake can be toxic--use caution. Re-seal container securely after used and store in a secure area. One (1) level 20cc scoop will hold approximately 10 grams of material which will provide 1.0 mg of elemental Selenium (Se). Ingredients Milled Flax Seed, Yeast Culture, Selenium Yeast Complex Sizing, Price and Serving Details All sizes with Free Shipping within Continental U.S. (via USPS or UPS) * see below All products are fresh and shipped directly from the manufacturer. Save 5% off of Horsetech's regular prices. 2.2 lbs -- 100 servings (1 mg each) $34.15 (Regularly $35.95) (ships via USPS) 4 lbs -- 181 servings (1 mg each) $44.05 (Regularly $44.95) 8 lbs -- 363 servings (1 mg each) $78.80 (Regularly $82.95) 20 lbs -- 1135 servings (1 mg each) $188.05 (Regularly $197.95) Shipping Information * Selenium Yeast is shipped via USPS or UPS within 2 days of your order. Free Shipping is within the continental U.S. Shipping to Alaska or Hawaii may be charged separately. Please email [email protected] or call 940-487-7161 for exact shipping charges prior to ordering to these areas. Customers outside the U.S. are welcome to contact Horsetech directly to place an order. Interested in Auto-Ship? Send Getty Equine Nutrition an email at [email protected] or call 940-487-7161.