With Grape Seed OPCs, Grape Skin Extract and Green Tea Extract Supports Cardiovascular Function Dietary Supplement Vegan Easy Solv Jarrow Formulas Resveratrol Synergy brings together resveratrol (3, 4’, 5-trihydroxystilbene) and other powerful antioxidants resulting in a potent synergistic formula that supports cardiovascular system. Pterostilbene, also known as dimethylresveratrol, is a methylated naturally-occurring form of resveratrol. Methylation greatly improves intestinal and cellular uptake of this nutrient while reducing excessive liver clearance.