Doctor’s Best Resveratrol High-Potency Resveratrol Formulation. Featuring ReVinol-25. Dietary Supplement. Best Resveratrol features ResVinol-25, a proprietary extract providing concentrated levels of polyphenols and trans-resveratrol from red wine matrix and the root of the Japanese knotweed (Polygonum cuspidatum) plant. Resveratrol exists in both trans- and cis-forms. However, published research suggests that only the trans- form has considerable biological activity.
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