Resveratrol is a polyphenol that is naturally found in the skin of red grapes, certain berries, and other plants. &ampnbsp;Recent research has shown that Resveratrol can support healthy cardiovascular function through its powerful antioxidant properties, as well as through its ability to promote a healthy inflammatory response. &ampnbsp;NOW&ampreg; Resveratrol Liquid Concentrate also contains Proanthocyanins (OPC's) from Grape Seed Extract, which naturally complement Resveratrol's cellular and cardiovascular benefits by providing a broader spectrum of antioxidant protection.*