A trace mineral, it can enhance antioxidant activity. A deficiency can reduce glucose tolerance. Deficiency is rare. Deficiency can affect normal heart function. Supports nerve function, protein and carbohydrate metabolism, and muscle contraction.
Potassium can reduce high blood pressure.
Potassium concentration can shrink with age and dehydration. Deficiency can damage bones, heart and nerves. 55 mcg An antioxidant that works with glutathione peroxidase to protect cells from damage. Selenium in higher dosages can be toxic. It helps prevent cancer and heart disorders.