5 POUND Vitamin e and selenium are interrelated and function together as a part of a multi-component vitamin mineral program. Optimum levels of vitamin e and selenium. Supports muscle function and immune response. Palatable and easy to feed. Cost effective - affordable for everyday feeding. Feed 1/2 ounce or 14.17 grams per day or can be mixed in the ration at 2.5 lbs per ton.