Antioxidants protect the body from damage caused by harmful molecules called oxygen free radicals. Some antioxidants are vitamins (such as beta-carotene and vitamins E and C) that are naturally found in many fruits and vegetables or are available as natural health products.
Oxygen free radicals are normal by-products of cell metabolism. But at high levels they can cause damage to cells. Antioxidants may protect the body from cell damage.
Adam Husney, MD - Family Medicine & Brian O'Brien, MD, FRCPC - Internal Medicine & Kathleen Romito, MD - Family Medicine