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For Heart and Healthy AgingDietary SupplementSource Naturals Resveratrol 200™ contains 200 mg of pure resveratrol a compound produced by grapes and other plants for protection from environmental stresses. Recent studies have demonstrated that resveratrol activates SIRT 1 genes which mimic the healthy aging benefits of caloric restriction. Resveratrol may support heart health by providing the antioxidant protection needed for healthy circulation and by inhibiting inflammation messengers including NF kappa B.