What Is Grape Seed Extract? The seeds used to make grape seed extract come from Vitis vinifera, the wild grape from which most wine grapes originate. This species is native to the Mediterranean region ...
Grape seed polyphenols constitute a complex mixture of flavonoids—chiefly proanthocyanidins, catechins and gallic acid derivatives—that exert potent antioxidant, anti-inflammatory and vasodilatory ...