The Next Generation Nutraceuticals PteroPure™ Advanced Blueberry Complex with Nature Identical 99% Pure Trans-Pterostilbene & Trans-Resveratrol Non GMO, Free of Pesticides, Herbicides, fungicides and Synthetic Fertilizers Contains Next Generation Trans-Pterostilbene (naturally Methylated Resveratrol) Which Has Been Shown in Published Studies To Be 4x More Bio-Available, 2x More Lipophilic, and Last 7x Longer In The Blood Than Resveratrol. Vegetarian Advanced Blueberry Complex with Nature Identical 99% Pure Trans-Pterostilbene & Trans-Resveratrol pTeroBlue™ Pterostilbene contains pterostilbene, a natural analog of resveratrol found in blueberries and other small berries. Its chemical structure is identical to that of resveratrol except for one very small yet critical difference; it is methylated. It is this slight structural difference that gives pterostilbene a powerful biological advantage over resveratrol. While superior to resveratrol by itself, pterostilbene also show strong synergistic activity when taken together with resveratrol. This pTeroBlue™ Pterostilbene + Resveratrol contains patent pending pTeroPure™, a sustainable nature identical 99% pure trans-pterostilbene with AuroraBlue® Organically Grown Alaskan Blueberries and Wild Crafted Japanese Knotweed Resveratrol.