Vitamin E-400 IU with Selenium 50 mcg is a high quality complex of vitamin E and selenium from the American manufacturer PURITAN'S PRIDE. Collaborating with vitamin E and selenium prevent the formation of harmful by-products of free radicals metabolism. They provide the body with protection against the adverse effects of the environment. also Selenium helps protect cells from oxidative stress and the proper functioning of the immune system. It supports thyroid function and helps maintain healthy hair and nails. Selenium contributes to the normal course of spermatogenesis. Vitamin E helps protect cells against oxidative stress and cell damage caused by free radicals. It is involved in supplying nutrients to cells. Dietary supplements can not be used as a substitute for a varied diet.