Solgar Selenium (Yeast-Free) contains selenium, an essential mineral because it strengthens the immune system and protects cells from oxidative stress caused by free radicals. Selenium has a number of properties that you should be aware of. Free radicals are unstable molecules that can damage the body's cells and are associated with premature aging. An adequate level of selenium will help maintain healthy hair and nails, as well as boost metabolism. This organic formula has been formulated using the yeast-free form of selenium (L-selenomethionine) and is therefore suitable for people with yeast intolerance. Solgar Selenium (Yeast-Free) 200 µg provides this essential mineral and, at a dose of 1 per day, contributes to: Normal spermatogenesis. Maintain healthy hair. Normal nail maintenance. The normal functioning of the immune system. Normal functioning of the thyroid. Protect cells from oxidative stress. For adults, take one (1) tablet daily, preferably with meals. swallow the tablets with water or another beverage. the daily dose expressly recommended for this product should not be exceeded. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.