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Resveratrol
More about Resveratrol
Resveratrol is a polyphenol that occurs naturally in the skin of blue grapes, in red wine and in Japanese knotweed (Polygonum cuspidatum) — the source most often used in supplements.
Compare the products on their trans-resveratrol content: that is the stable, active form.
Resveratrol suits those who take a conscious interest in a diet rich in polyphenols and flavonoids.