Reviews of recent supplement studies seemingly convey bad news for antioxidants; however, the results actually could prove a marketing boon to antioxidant-rich foods.
Per an American Heart Association Scientific Advisory, antioxidant supplements in a Penn State study were found to be largely ineffective in preventing heart disease (one of the major benefits of antioxidant consumption). The Lancet recently published a review of 14 randomized trials with 170,000 participants; it found such supplements actually “seem to increase overall mortality.”