Herbs of Gold Selenium 150 Max 60 Vege-Tabs contains Selenomethionine, an organic form of Selenium, which is more bio-available than other inorganic forms of Selenium. This ensures the body is able to absorb and utilise the maximum amount of Selenium effectively. Selenium is an essential trace mineral and potent antioxidant and free radical scavenger and may assist in the healthy functioning of the prostate gland and male reproductive health. Selenium is required for testosterone synthesis and healthy sperm motility and maturation. Selenium is necessary for healthy thyroid and immune system function. Selenium helps to regulate the production of immunoglobulins and may enhance the activity of certain white blood cells such as the natural killer cells.