The reviewers want more regulation of the nutraceuticals industry, but an antioxidant researcher with the U.S. Department of Agriculture said that call for stricter monitoring overreaches the conclusions of the review.
The meta-analysis of 67 randomized studies found that supplemental antioxidants do not reduce mortality and that some -- including vitamin A, beta-carotene and vitamin E -- could increase mortality. The review combined evidence from more than 200,000 people.