Extract & Compound · Compound

Pterostilbene

Provisional Strong Scorecompound

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Pterostilbene is a potent polyphenolic compound structurally similar to resveratrol but with superior bioavailability due to its two methoxy groups. It activates SIRT1 pathways and modulates PPAR-alpha to support cardiovascular health, cognitive function, and cellular antioxidant defenses.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryExtract & Compound

GroupCompound

Public Score StatusProvisional Strong

Primary Keywordpterostilbene benefits

Pterostilbene close-up macro showing natural texture and detail — rich in antioxidant, anti-inflammatory, sirt1 activator

Pterostilbene — botanical close-up

Reported Benefits (Provisional)

Supports cardiovascular health by improving cholesterol levels, reducing LDL and increasing HDL, which lowers heart disease risk. - Enhances cognitive function by protecting neurons and improving memory, potentially reducing the risk of Alzheimer's disease. - Acts as a powerful antioxidant, neutralizing free radicals and preventing cellular damage. - Supports metabolic health by improving insulin sensitivity, aiding in blood sugar regulation. - Reduces inflammation by inhibiting inflammatory pathways, which can alleviate symptoms of chronic conditions. - Promotes anti-aging by activating sirtuins, proteins that enhance cellular health and longevity. - Boosts immune function by enhancing the body's ability to fight off infections and diseases.

Origin & History

Natural habitat

Pterostilbene is a naturally occurring polyphenol found in blueberries and grapes. It is chemically related to resveratrol and is extracted from these fruits or synthesized for supplements. Pterostilbene is valued for its potent antioxidant properties.

“Pterostilbene has been studied extensively for its health benefits since its discovery in the 19th century. It is often compared to resveratrol for its similar properties.”Traditional Medicine

Research Narrative (Provisional)

Numerous studies, including RCTs, support pterostilbene's benefits for cardiovascular and cognitive health. Meta-analyses highlight its antioxidant and anti-inflammatory properties.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Potent antioxidant polyphenol related to resveratrol. - Found in blueberries and grapes. - Exhibits higher bioavailability compared to resveratrol.

Reported Mechanism (Provisional)

Mechanism of Action

Pterostilbene activates sirtuin 1 (SIRT1) deacetylase enzymes, promoting mitochondrial biogenesis and cellular longevity pathways. It modulates peroxisome proliferator-activated receptor alpha (PPAR-α) to improve lipid metabolism and reduce LDL cholesterol oxidation. The compound also inhibits cyclooxygenase and lipoxygenase enzymes, reducing inflammatory prostaglandin production while enhancing endothelial nitric oxide synthase activity.

Clinical Narrative (Provisional)

Human trials using 125-250mg daily doses have shown pterostilbene can reduce LDL cholesterol by 6-9% and increase HDL by 7-23% in hypercholesterolemic adults. A 6-week randomized controlled trial with 80 participants demonstrated improved cognitive performance and working memory scores. Animal studies suggest neuroprotective effects, but large-scale human trials for cognitive benefits remain limited, with most evidence coming from small preliminary studies.

Also Known As

trans-3,5-dimethoxy-4'-hydroxystilbene4-[(E)-2-(3,5-dimethoxyphenyl)ethenyl]phenoltrans-pterostilbeneblueberry stilbenedimethylresveratrolpterostilbenPT

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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