Vita Flex (R) E and Selenium Vita Flex(R) E & Selenium is a balanced supplement of Vitamin E and Selenium for optimum equine health. Many soils in the U.S. and Canada are chronically selenium deficient. Feedstuffs grown in these soils may provide inadequate amounts of selenium in the daily diet. Vita Flex(R) E & Selenium is a premium quality supplement, which can contribute to the correction of nutrient deficiencies. Features: Vitamin E and selenium work together to limit free radical damage Blended with a quality yeast culture base Directions for Use: Feeding Instructions: Enclosed scoop holds 1 ounce. Feed 1 ounce daily, or as directed by your veterinarian. Keep cool and dry. Reseal after each use. Do not exceed recommended dosage.