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Jarrow Formulas Pterostilbene, 50 Mg, 60 Vegetarian Capsules

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Jarrow Formulas Pterostilbene, 50 Mg, 60 Vegetarian Capsules


Out of stock

  • Sirtuin activator
  • Calorie restriction mimetic
  • Cardiovascular and neurologic health
Product Description


View larger View larger Product Profile Pterostilbene (terro-STILL-bean) is found naturally in blueberries, grapes, and in the bark of the Indian Kino Tree (Pterocarpus marsupium). The name Pterocarpus derives from ancient Greek and means “wing fruit”, referring to the shape of the seedpods in this genus. Preparations of the Indian Kino Tree have been used in Ayurvedic medicine for centuries in relation to inflammation and blood-sugar balance. Similarly, resveratrol, a structural cousin of pterostilbene, has been touted for effects related to the heart.*

Pterostilbene vs. Resveratrol Pterostilbene has been shown to have the same antioxidant potential as resveratrol in a standard assay of antioxidant potential (Trolox). However, the two methylated hydroxyl groups make pterostilbene more lipophilic and less susceptible to conjugation-induced degradation; this leads to a greater half-life in the body compared to resveratrol (105 vs. 14 minutes). These specific structural differences seem to make resveratrol more adept at combating reactive oxygen species (ROS) in whole blood and lymphocytes and pterostilbene better at targeting extracellelular ROS.* Such extracellular ROS are often responsible for tissue damage with imbalanced inflammatory response, amongst other things. As such, pterostilbene and resveratrol tend to be more complementary in their action than competitive. Work in animals has even suggested synergies between the two, along with quercetin. This is one reason both are included, along with quercetin and other components found in grapes, in a related Jarrow Formulas product: Resveratrol Synergy.

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Additional Information
  • Manufacturer: Jarrow

  • Model: PTERO

  • Storkz Item #: S20463655

  • Item Weight: 0.03 kg

  • Product Dimensions: 1.8 X 1.8 X 3.2 inches