Selenium 100 μg (yeast free) from Solgar is a food supplement that helps in the health of hair and nails, promotes the maintenance of the immune system and benefits both men and women. This supplement contains selenium, a trace mineral found naturally in the soil. It is a necessary mineral because it strengthens the immune system and protects cells from oxidative stress caused by free radicals. Free radicals are unstable molecules that can damage the body's cells and are associated with premature aging. This mineral is found naturally in Brazil nuts, eggs, fish, and chicken. An adequate level of selenium will help maintain healthy hair and nails, as well as support metabolism. For adults, it is recommended to take 1 to 2 tablets a day, preferably with meals. Do not exceed the recommended daily dose. Keep out of the reach of children. Store at room temperature.