Selenium provides 200 ug of selenium as organic selenomethionine in each vegetarian capsule. Selenium is an essential trace mineral that plays several important roles, including contributes to the normal function of the immune system & thyroid. Selenium also contributes to the maintenance of normal hair & nails.provides 200 ug of selenium in each vegetarian capsuleorganic selenium as selenomethioninecontributes to normal spermatogenesiscontributes to the maintenance of normal hair & nailscontributes to the normal function of the immune systemcontributes to the normal thyroid functioncontributes to the protection of cells from oxidative stress IngredientsSelenomethionine, hypoallergenic plant fibre (microcrystalline cellulose), ascorbyl palmitate. Vegetarian capsule (hydroxypropyl methyl cellulose). Directions For UseSelenomethionine, hypoallergenic plant fibre (microcrystalline cellulose), ascorbyl palmitate. Vegetarian capsule (hydroxypropyl methyl cellulose). PrecautionsIf you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use. Use only if safety seal is intact. Food supplements should not be used as a substitute for a varied diet. Do not exceed the stated daily dosage. Keep out of the reach of young children.