Now Foods: Selenium Essential Mineral 200 mcg, 90 vcaps (2 pack)
Selenium is an essential trace mineral and functions as part of the antioxidant enzyme glutathione perioxidase. It is bonded to the essential sulfur amino acid, methionine, in a naturally occuring form as found in the diet. Selenium is found most abundantly in Brazil Nuts, organ meats, seafood, and wheat germ