Do antioxidant supplements and vitamin help out heart health? A large-scale study published in the Journal of the American College of Cardiology looked at this question in detail.
The review of data suggested that the supplementation with n-3 fatty acids, folic acid, and coenzyme Q10 all had positive effects on various endpoints, but others, such as vitamin C, D, and E, as well as selenium, had no effect on cardiovascular disease or type 2 diabetes risk.
The study also found that “beta-carotene… actually increased the risk of all-cause mortality.”
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