An analysis by the Tufts researchers suggests that it may depend on getting a high-quality product. When they tested 46 supplements touted for their antioxidant potential, including grape seed, pine bark, and berry extracts, they found that just eight of the products were powerful enough to supply 1,000 to 2,500 ORAC units. The study underlines the importance of buying your supplements from a manufacturer you trust. All rights reserved. Reproduction in whole or in part without permission is prohibited.
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