Natural SourceSirtuin ActivatorSupports Cardiovascular & Neurologic HealthCalorie-Restriction MimeticDietary SupplementNon GMO - Certified by NSFVeganSilbinol®Silbinol is a 100% natural trans-Pterostilbene extracted from the heart wood of Pterocarpus marsupium. Pterostilbene is a methylated form of resveratrol, with greater uptake and metabolic stability in the body, trans-Pterostilbene is a calorie-restriction mimetic that activates the sirtuin pathway.