The essential nutrients in this product are some of the best antioxidants available for fighting free radicals. Free radicals can be produced from things like car exhaust, smoking, even your own body. Free radicals contribute to oxidative stress, which can lead to premature aging. Vitamins a, c, and e and the mineral selenium combat the harmful effects of free radicals. As an added bonus, the nutrients in this formula are also known for supporting immune system health. Each soft gel provides 25,000 vitamin a, 500 mg vitamin c, 400 iu vitamin e, 50 mcg selenium. Take 1 soft gel daily.