Food supplement Organic-form selenium plus vitamins A, C, D & EOrganic-form selenium from selenium yeast is up to 2 times better absorbed by the body compared to inorganic selenium. Selenium & vitamins A, C & D are essential nutrients needed by the body to help support a healthy immune system. Vitamins C & E are antioxidants, helping to protect body cells from oxidation (a process that can cause cell deterioration) by counteracting free radical damage. Taking Selenium-ACE+D one-a-day tablets as part of a healthy lifestyle helps ensure dietary intake of these important nutrients which needed by the body for general well-being.