Swanson ® Selenium SelenoExcell ® is a dietary supplement with a high content of selenium. The valuable active ingredient has been enclosed in gelatin-coated capsules, suitable for use as a supplement to the carefully selected daily diet of adults. Swanson ® Selenium 200 µg – properties The Swanson ® brand preparation uses SelenoExcell ® as a source of selenium, i.e. selenium-enriched yeast characterized by high bioavailability. Each capsule contains 200 µg of selenium of natural origin, which makes it possible to cover the reference intake values ​​for this valuable mineral by up to 364%. How does selenium work? Supports the proper functioning of the immune system. Helps maintain healthy hair. Contributes to the maintenance of healthy nails. It helps the proper functioning of the thyroid gland. It contributes to the correct course of spermatogenesis. It participates in the protection of cells against oxidative stress. Swanson ® SelenoExcell ® Selenium is only 1 capsule per day to obtain the beneficial effect resulting from the declared action. A 60-pack will provide two months of daily supplementation with a large serving of selenium.