Resveratrol Reserve from Nature's Answer is the most technologically advanced resveratrol available on the market. Nature's Answer only use the purest, most potent ingredients obtainable. Resveratrol is a chemical constituent that has been isolated from grapes, red wine, blueberries, red berries, and Japanese knotweed. Muscadine is the variety of grape (berry) known to have the highest concentration of ellagic acid and anthocyanins. Nature's Answer extract only fresh, whole muscadine grapes (berries) in their own state-of-the-art extraction facility to bring you the highest quality extract available. Supplies trans-resveratrol No preservatives, artificial sweeteners, alcohol, artificial flavours or colouring No benzoate or sorbates Nature's Answer Resveratrol Reserve is super concentrated so that you can reap the healthful benefits of resveratrol. About Nature's Answer Natures Answer were founded in 1972, and to this day remain a family-owned and operated business. With the highest standards for their natural products and liquid herbal extracts, Natures Answer is dedicated to purity and top-notch manufacturing. Natures Answer want to be as comprehensive as possible in the testing they do and the standards they follow. Thats why they measure their product safety against both European and US standards. Resveratrol Reserve from Nature's Answer is the most technologically advanced resveratrol available on the market. Nature's Answer only use the purest, most potent ingredients obtainable.