Though we need a very small amount of selenium, it plays a major role in human metabolism. Selenium has many antioxidant properties which protect cells from damage. Selenium deficiency can have a negative impact on health function. Troo Health offers high-quality selenium supplements UK manufactured to GMP standards for consistent high quality and safety. Though you can get selenium from natural food sources such as Brazil nuts, walnuts, beef, poultry and fish, many people still need to supplement due to deficiency. Check out our high quality range of selenium supplements and benefit from fast free UK delivery.