Resveratrol is a polyphenol that occurs naturally in low concentrations in the skin of the red grape (Vitis vinifera), so also in red wine, but also in peanuts, cocoa, tomato and tea. In a supplement you will mainly find resveratrol from the Japanese knotweed, a plant traditionally used in China. The Latin name for this plant is Polygonum cuspidatum. Polygonum cuspidatum extract contains antioxidants to protect against free radicals*. For example, it supports the maintenance of healthy cells and tissues*. In addition, resveratrol is good for the heart and blood vessels*. Resveratrol keeps the blood vessels elastic, supple and clean*. Resveratrol is also beneficial for blood pressure*. *Health claims pending European approval