CanPrev Selenium Glycinate - An essential mineral that is involved in many critical biological processes, Selenium is a key player in several functions your body performs daily, from maintaining proper thyroid function to normal cell growth. Selenium is also a potent antioxidant and free radical scavenger. CanPrev’s Selenium Glycinate 200 provides a therapeutic and optimal form of selenium and is superior when it comes to all-important absorption and gentleness.