Selenium is an essential trace mineral in the soil that enters the food chain through plants and plays an important role in many functions in the body. Research continues to highlight the antioxidant cell protection qualities of this trace mineral and vitamins A, C and E in addition to their role for immune function. With the recognition of the importance of Vitamin D for healthy immunity, this vitamin has been added to complement this well established formula. Taking Selenium-ACE +D one-a-day tablets, as part of a healthy lifestyle, is the ideal way of safeguarding the intake of key nutrients required for healthy immune system function.