Resveratrol Reserve from Nature's Answer is the most technologically advanced Resveratrol available on the market. We use only the purest ingredients obtainable. Nature's Answer, the pioneer in herbal extracts, continues to set the industry standard for superior quality liquid extracts since 1972. We combine the most biologically active, highly purified form of Resveratrol, 99% pure trans-resveratrol, along with other delicious high Orac 'superfruits' to bring you the top level, premier quality Resveratrol available on the market: