Overview
French maritime pine bark for circulation.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Procyanidins; NO synthase enhancer.
- · Procyanidins
- · NO synthase enhancer
Effects on the body
Organ system effects
Pycnogenol (Pine Bark) supports endothelial function, lipid profile, or blood-pressure regulation in cardiovascular trials.
Pycnogenol (Pine Bark) acts on central nervous system targets implicated in attention, memory, and neuroprotection.
Evidence-based benefits
Improves endothelial function
Moderate evidencePotential side effects
- · GI upset
Drug interactions
Supplement interactions
- Omega-3Anti-inflammatory cardiovascular synergy.
- CoQ10Supports mitochondrial energetics in cardiac tissue.
- Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Scientific evidence8Show studiesHide studies
Pycnogenol for hypertension
Liu X, et al.
58 mild hypertensives
Reduced systolic BP.
PubMed: Pycnogenol (Pine Bark) — Improves endothelial function
Live PubMed search
Live results for "Pycnogenol (Pine Bark) Improves endothelial function" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "Improves endothelial function". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Pycnogenol (Pine Bark) — randomized controlled trial
Live PubMed search
Live results for "Pycnogenol (Pine Bark) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Pycnogenol (Pine Bark) — meta-analysis
Live PubMed search
Live results for "Pycnogenol (Pine Bark) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Pycnogenol (Pine Bark) — pharmacokinetics
Live PubMed search
Live results for "Pycnogenol (Pine Bark) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Pycnogenol (Pine Bark) — safety adverse events
Live PubMed search
Live results for "Pycnogenol (Pine Bark) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Pycnogenol (Pine Bark) — dose response
Live PubMed search
Live results for "Pycnogenol (Pine Bark) dose response" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Pycnogenol (Pine Bark) and "dose response". Filter by RCT, meta-analysis, or year on the results page.
Google Scholar: Pycnogenol (Pine Bark) — clinical evidence
Live Scholar search
Cross-database citation index for Pycnogenol (Pine Bark) as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.