Vitamin E has antioxidant functions, regulates the development and function of the muscles and germinal glands; it has a detoxifying function and stimulates the immune system. The substance promotes the assimilation and storage of vitamin A and carotene in animals. Vitamin E deficiency can cause fertility problems, muscular dystrophy, growth losses, increased exposure to diseases.

The most affected by the lack of this substance are chickens, ducks, rabbits, dogs and in smaller measures cattle, sheep and pigs. The substance is widespread in the plant world, mainly in cereal germs and in the related oils and in shoots in general.