Natural Factors Selenium 200 mcg is a mineral supplement for the maintenance of healthy body cells and good health. Selenium is a vital antioxidant whose principal function is to inhibit the oxidation of fats. It protects the immune system by preventing free radicals from damaging the body.

• Potent antioxidant

• Free radical scavenger

• Promotes fertility

• Assists with detoxification

• Supports healthy immune function