Selenium also supports the normal function of the immune system and contributes to the normal production of sperm to support male fertility. It plays a role in normal thyroid function and is involved in the maintenance of hair and nails. Its antioxidant action may exert a protective effect, low levels of selenium may increase the risk of developing autoimmune disorders such as rheumatoid arthritis, cardiovascular disease and some cancers. Ingredients: Dicalcium phosphate, Ascorbic acid (with hydroxypropylmethylcellulose), Bulking agent (microcrystalline cellulose), D-alpha tocopheryl acetate (from soya) (with corn starch, maltodextrin, silicon dioxide, monoglyceride), Selenium amino acid blend (with rice protein, citric acid, glycine, sodium selenite), Anticaking agent (magnesium stearate). Directions: Take one tablet daily with food.