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Pterostilbene

Pterostilbene

Best for

Steady your blood sugar levels

Large effect, needs confirmation · 100 mg/day for 12 weeks · 1 study , n=18

3 papers · 1 claim · 12 outcomes scored · 1 positive

Outcomes

What pterostilbene actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect Evidence Dose Weeks Rank
Steady your blood sugar levels Large effect, needs confirmation
large 		1 RCT n=18 100 mg 12 wk —

Risk profile

Adverse events and known drug interactions

Safety events

thromboembolic event (venous thromboembolism) severe
constipation moderate
dizziness moderate
fatigue moderate
gait disturbance moderate
headache moderate
rash maculo-papular moderate
urinary tract infection moderate

Drug interactions

Gefitinib major increases effect
Sertraline major increases effect
Polymyxin B major increases effect
Colistin major increases effect
Carbamazepine major increases concentration
Oxcarbazepine major increases concentration
Paclitaxel major increases concentration
Gentamicin moderate increases effect
Antidepressants moderate increases toxicity
Clonazepam moderate increases effect

Co-studied with

Supplements that share evidence with pterostilbene

Sources

  1. 1. Analysis of the Effects of Short-Term Pterostilbene Intake on Healthy Participants: A Pilot Study. (2025) ↑
  2. 2. Pterostilbene on metabolic parameters: a randomized, double-blind, and placebo-controlled trial. (2014) ↑
  3. 3. A Short-Term Safety Evaluation of Silbinol®- an Extract from Pterocarpus marsupium in Healthy Adults- a Randomized, Double-Blind, Placebo-Controlled Study. (2023) ↑

Generated August 14, 2026

Related

More evidence for Pterostilbene

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