Source Naturals Selenium, 100 Tablets, 100 mcgSource Naturals Selenium, 100 mcg, 100 Tablets, is a dietary supplement designed to support overall health. Selenium is an essential trace mineral that functions as a powerful antioxidant. It is a key component of several important proteins that play critical roles in maintaining health. One of the primary benefits of selenium is its potential to reduce the risk of certain cancers. Some scientific evidence suggests that selenium consumption may lower