Overview
Periwinkle alkaloid that increases cerebral blood flow.
Mechanism of action
PDE1 inhibition, Na+ channel blockade, and selective vasodilation of cerebral vessels.
Effects on the body
Organ system effects
Evidence-based benefits
Mild benefit in cerebrovascular insufficiency
Moderate evidencePotential side effects
- · Nausea
- · Headache
- · Hypotension
- · Avoid in pregnancy
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
None listed.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.
Scientific evidence (8)
Vinpocetine in cognitive impairment
Szatmari SZ, Whitehouse PJ
Cochrane review of vinpocetine RCTs in dementia.
Inconclusive overall but signal for short-term cognitive benefit.
PubMed: Vinpocetine — Mild benefit in cerebrovascular insufficiency
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PubMed: Vinpocetine — randomized controlled trial
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PubMed: Vinpocetine — meta-analysis
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PubMed: Vinpocetine — pharmacokinetics
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PubMed: Vinpocetine — safety adverse events
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PubMed: Vinpocetine — dose response
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Google Scholar: Vinpocetine — clinical evidence
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