Mineral Supplement. High selenium yeast. Vegetarian formula. Promotes prostate & immune system health. Selenium is an essential trace mineral that supports the immune system. Some scientific evidence suggests that consumption of selenium may reduce the risk of certain forms of cancer. However, the FDA has determine that this evidence is limited and not conclusive. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no milk, no lactose, no soy, no fish. Sodium free.