Vitamin E is an antioxidant and is necessary for the stability and function of muscle tissues.
Selenium: The essential role of selenium is as part of the enzyme glutathione peroxidase; whose function is to prevent free-radical damage to tissue.
There is a complex interaction between the requirements of selenium and vitamin E whereby either may substitute in part for the other.
A deficiency is most frequently seen in young, fast-growing animals, causing degeneration of cardiac, respiratory, and skeletal muscles and neuron degeneration in horses.
It stimulates the urogenital tract.