Selenium is an essential trace mineral that is found naturally in Brazil nuts, organ meats, seafood, and wheat germ. Selenium 200 mcg Veg Capsules -Essential Mineral Selenium is an essential trace mineral that is found naturally in Brazil nuts, organ meats, seafood, and wheat germ. Natural color variation may occur in this product.Selenium 200 mcg Veg Capsules -Essential Mineral Selenium is an essential trace mineral that is found naturally in Brazil nuts, organ meats, seafood, and wheat germ. Natural color variation may occur in this product.Selenium (from L-Selenomethionine)200mcg, Rice Flour, Hypromellose (cellulose capsule) and Stearic Acid (vegetable source).