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Question:
How much resveratrol is in wine? Is it enough to have a benefit?

Answer:
As discussed in the Resveratrol Supplements Review, the amount of trans-resveratrol (the most researched form of resveratrol) in wines is typically just a small fraction of the amount provided by most supplements and used in clinical studies. Therefore, the effects seen with resveratrol would not be expected with wine consumption. On the other hand, there are cardiovascular benefits associated with moderate alcohol consumption that have not been shown with resveratrol supplementation. For more information about resveratrol (including amounts in various wines) and our tests of popular products, see the Resveratrol Supplements Review >>

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I thought resveratrol came from red wine or grape skins - what is the "Polygonum cuspidatum" I see listed on my supplement? >>

Are the cardiovascular benefits of resveratrol exaggerated?  >>



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linda8210   December 23, 2015
I understand that you can get as much benefit from Welch's Grape juice as from wine.
Because in making the grape juice Welch's uses the whole grape skin, pulp, & seeds just like they do in making wine

ConsumerLab.com   December 29, 2015
Hi Linda - Yes, as discussed in the Resveratrol Review, purple grape juice also contains resveratrol: https://www.consumerlab.com/reviews/Resveratrol_Review/Resveratrol_Red_Wine/

This CL Answer initially posted on 12/23/2015. Last updated 8/2/2017.

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