Selenium 100mcg from Vitaminalia is a food supplement in tablets, made from L-Selenomethionine, a form of the trace element Selenium. What can Selenium 100mcg be combined with? Collagen + Magnesium. Zinc. Biotin. Omega 3. Selenium contributes to: Normal spermatogenesis. The protection of cells against oxidative damage. The normal functioning of the immune system. Normal thyroid function. The maintenance of nails and hair in normal conditions. Take 1 tablet, once a day with a meal. Ideal time to take: morning, afternoon or night. Food supplements should not be used as a substitute for a varied and balanced diet or a healthy lifestyle. Do not exceed the recommended daily dose. Keep out of reach of young children. Once opened, store in a cool (below 25ºC), dry and dark place.