Selenium 200 ?g is a food supplement in capsule format that contains 200 ?g of Selenium. Selenium compounds are usually absorbed very efficiently by humans, and absorption of the selenite form is greater than 80%. The source of Selenium 200 ?g is Sodium Selenite. Selenium plays a key role in the body's oxidative process and in the comprehensive maintenance of sperm structure. In the immune system, selenium and its set of selenoproteins participate in the functionality of immune organs such as the spleen and thymus, also playing a role in cerebral oxidative metabolism, being of fundamental importance for cognitive function. Selenium has useful healthy properties (EFSA): - Contributes to the normal function of the immune system. - Contributes to cellular protection from oxidative damage. - Contributes to normal spermatogenesis. - Contributes to the normal maintenance of hair and nails. Selenium capsules are especially recommended for people over 12 years of age who want a Selenium supplement, which contributes to the protection of cells from oxidative damage, to the normal function of spermatogenesis and the immune system, as well as facilitating the normal maintenance of nails. and hair. How to use 1 capsule daily.