"Jarrow Formulas® Resveratrol features trans-resveratrol (3,4,5-trihydroxystilbene) and resveratrol glucosides (piceids) from Polygonum cuspidatum. As a polyphenol antioxidant naturally found in the skin of red grapes, certain berries and other plants, research supports that resveratrol helps to support healthy cardiovascular function.*"