TRM® Vita-E-Plus Powder Vita-E-Plus is a complementary feed for horses containing Vitamins E and C, and Selenium which have a role in preventing cellular oxidation. It also contains Vitamin B1 and B2 which are important for general metabolism, and Lysine which is important for protein synthesis. This product contains all the elements necessary, to aid in the prevention of nutritional myopathies in exercising horses. Feeding Vita-E-Plus will also ensure that broodmares and stallions have sufficient levels of essential nutrients during the winter months for performance and fertility.