More information . People have been encouraged to eat whole grains, green leafy vegetables, butter and nuts because they are high in the vitamin. Vitamin E is also important to your horse's well-being. Many equine nutritionists recommend feeding higher levels of vitamin E to high-performance horses and broodmares. Vitamin E prevents the fatty components of cellular membranes from being oxidized, so it is very important for horses during periods of exercise and elevated stress.
Good nutrition means having the right balance.
The mineral selenium helps vitamin E work more efficiently. Vitamin E's role in preventing the oxidation of cell membranes is enhanced with selenium, which takes toxic products and turns them into harmless compounds that the body can safely excrete. In simple terms, oxidation is the breakdown of the cell's structure due to the action of oxygen-containing compounds. We are surrounded by oxidation every day. When meat left out on a countertop goes bad, it's because of oxidation.