Lamberts Selenium with A, C and E provides 200μg of selenium (double the amount found in most products) combined with adequate levels of Vitamins A (450μg), C (90mg) and E (30mg). Selenium is a vital component of the bodys defense mechanisms against oxidative stress, plays a key role in the metabolism of thyroxine and is a valuable factor in the health of the reproductive system. Based on the properties of selenium, insufficient intake through diet constitutes a nutritional deficiency. Antioxidants are a class of substances that help strengthen the bodys natural defenses against free radicals. Free radicals are produced naturally in the human body, and if not neutralized, they can damage tissues and organs. Like selenium, Vitamins A, C and E are known for their antioxidant properties. Directions for Use: Take 1 tablet daily. Suitable for vegetarians.