Jarrow Formulas trans-Pterostilbene features Silbinol (from Pterocarpus marsupium) a natural plant source of trans-Pterostilbene. Pterostilbene is an antioxidant in blueberries and is a methylated form of resveratrol that exhibits better bioavailability than resveratrol. trans-Pterostilbene benefits include its ability to activate sirtuin enzymes, which help to support healthy aging by regulating gene expression, mitochondrial function, and energy metabolism.

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