Selenium is a key, essential, mineral and component of several selenoproteins. Selenoproteins support various operations including the production and protection of DNA as well as immune system activity. Moreover, selenium is recognized for its important role in the proper balance and benefits of thyroid hormone.  Acting as a powerful antioxidant, selenium can help to neutralize cell damaging free radicals Free radicals negatively impact the body and can contribute to premature aging, making adequate antioxidant intake important. Selenium deficiencies can also lead to heart and joint issues.   Vitamin World’s Selenium 200MCG is ideal for anyone wanting to ensure optimal nutritional intake of selenium to support its key roles involved in the body.Selenium is derived from yeast as part of daily vegetarian compatible supplement strategy, delivering 200 micrograms per serving.   Antioxidant support that can help fight cell damaging free radicals Promote healthy immune function Cardiovascular support