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CardiovascularImmuneNootropic

Pine Bark Extract (Pycnogenol)

Research suggests pine bark extract may support vascular health and cognitive function through potent antioxidant and anti-inflammatory mechanisms.

Human Trials

35

2,800 participants

Risk Level

Low Risk

Monthly Cost

$25$80 /month

Varies by brand and concentration; Pycnogenol branded extracts typically more expensive

Quick Facts

Category
Supplement
Research Field
Supplements
Evidence Grade
B – Moderate
Risk Level
Low
Monthly Cost
$25 – $80
Human Trials
35

Typical Dose

100–200 mg/day (Pycnogenol)

Range

50–300 mg/day

Timingwith meals
FormPycnogenol (French maritime pine bark) standardized extract
NotesPycnogenol is the most researched brand. Benefits seen in cardiovascular, cognitive, and skin health endpoints. Effects are dose-dependent; lower doses (50 mg) for maintenance, higher for acute use.

For informational purposes only – not medical advice. See disclaimer

Research Velocity

-12%
28 publications in the last 12 months · publication rate flat or slowing

Mechanism of Action

Pine bark extract contains proanthocyanidins and other polyphenols that research indicates may enhance nitric oxide production, improve endothelial function, and provide potent antioxidant activity. Studies suggest these compounds may cross the blood-brain barrier to support cognitive function and reduce oxidative stress in neural tissue. The extract may also modulate inflammatory pathways and support healthy circulation through effects on blood vessel integrity and platelet function.

Overview

Pine bark extract, particularly the standardized form known as Pycnogenol, is derived from the bark of the French maritime pine (Pinus pinaster). Research indicates this extract contains a unique combination of proanthocyanidins, catechins, and phenolic acids that may provide significant antioxidant and anti-inflammatory benefits. Studies suggest these compounds are highly bioavailable and may support various aspects of health including cardiovascular function, cognitive performance, and healthy aging processes.

Clinical research has investigated pine bark extract's effects on endothelial function, with studies suggesting improvements in blood flow and vascular health markers. Some trials have also examined its potential cognitive benefits, with research indicating possible improvements in attention, memory, and executive function in both healthy adults and those with mild cognitive concerns. The extract's antioxidant capacity appears to be substantially higher than vitamin C and vitamin E in laboratory studies.

The safety profile of pine bark extract appears favorable based on human studies, with most research reporting minimal side effects at standard dosages (typically 100-200mg daily). However, individuals taking blood-thinning medications should exercise caution due to the extract's potential antiplatelet effects. Quality can vary significantly between products, with standardized extracts like Pycnogenol generally providing more consistent active compound concentrations compared to generic pine bark supplements.

Known Interactions

  • May enhance effects of blood-thinning medications due to antiplatelet properties
  • Potential interaction with diabetes medications due to blood sugar effects
  • May increase bleeding risk when combined with other anticoagulants or NSAIDs
  • Could interact with immunosuppressive medications due to immune-modulating effects

Legal Status by Country

📍

Your country (United States)

OTC
✈️

Available without prescription in:

Australia, Brazil, Canada, China, Colombia, Germany, India, Israel, Japan, Mexico, Netherlands, Panama, Russia, South Korea, Switzerland, Thailand, Turkey, UAE, United Kingdom, United States

Australia
OTC
✈️Brazil
OTC
Canada
OTC
China
OTC
✈️Colombia
OTC
Germany
OTC
✈️India
OTC
✈️Israel
OTC
Japan
OTC
✈️Mexico
OTC
Netherlands
OTC
✈️Panama
OTC
Russia
OTC
✈️South Korea
OTC
Switzerland
OTC
✈️Thailand
OTC
✈️Turkey
OTC
✈️UAE
OTC
United Kingdom
OTC
📍United States
OTC

📍 = your selected country · ✈️ = medical tourism destination · Always verify current local regulations before travel.

Key Research

Last verified: 2026-03-19