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 can help form selenoproteins, which have a role in regulating inflammation and immune resonses.Each capsule contains:Selenium (as L-Selenomethionine) 200 mcgNon-Medicinal Ingredients: Rice Flour, Veg Capsule (hypromellose, water), Stearic Acid (vegetable source), Cellulose. Adult Dosage: Take 1 capsule, 1-2 times daily.