Selenomethionine 90cap Selenium is a natural antioxidant which delays the oxidation of polyunsaturated fatty acids and preserves the elasticity of tissue. Selenium is required for the production of certain prostaglandins which promote healthy blood flow. In synergy with vitamin E, selenium promotes healthy growth and fertility, and improves the function of certain energy producing cells. Selenium also provides support for the immune system. Each Tablet contains: 200 mcg Selenium (pure L-Selenomethionine)