Selenium, 200mcg, 60cps, Natures Way Endogenous intracellular antioxidant with a role in protecting against oxidative stress and in the normal functioning of the immune system. contains selenium in the form of l-selenomethionine, the chelated form with increased bioavailability Effects: protecting cells against oxidative stress normal functioning of the immune system normal functioning of the thyroid gland normal spermatogenesis maintaining the health of hair and nailsAdministration: 1 capsule/day at meals or as recommended by the specialist consultant. Since the product includes ingredients from natural sources, it is not standardized in terms of organoleptic properties. Thus, there may be variations in color, smell or appearance from one batch to another, without influencing the effectiveness or safety of the product. Each batch of raw material and finished product undergoes a rigorous verification process to ensure proper efficacy, bioavailability and safety.