Each bottle contains 40 mg/L or approx. 200 mcg's per teaspoon. Selenium is an essential trace mineral that works with Vitamin E in metabolic functions. Selenium is also very important to the pituitary gland for normal operation. Selenium promotes normal body growth, enhances fertility and encourages tissue elasticity. Selenium is a potent antioxidant that naturally reduces the retention of toxic metals in the body. Selenium is crucial for the proper functioning of the heart muscle.

The people of Norfolk, England, are said to be among some of the longest-lived people. Scientists believe it is due to high concentrations of Selenium in their soil. A low level of Selenium in the soil has been associated with ill health. Selenium is stored in muscle and other tissues, as well as in the liver and kidneys.