Compound

    Vinpocetine

    Vinpocetine (apovincaminic acid ethyl ester)

    TL;DR

    Vinpocetine is a synthetic drug sold as a supplement in the US. Cochrane found the cognitive evidence inconclusive, and the FDA has warned it may cause miscarriage or fetal harm.

    Ideal For

    • No population is well supported by current evidence

    Avoid If

    • You are pregnant or may become pregnant
    • You take anticoagulants or antiplatelet drugs

    Frequently Asked Questions

    Overview

    Vinpocetine is semi-synthetic — derived from vincamine but not found in nature — and it is licensed as a medicine in Hungary, Russia, Japan and elsewhere while being sold on US shelves as a dietary supplement, a regulatory mismatch the FDA has publicly objected to. Pharmacologically it blocks voltage-gated sodium channels, inhibits PDE1 and increases cerebral blood flow, which is a plausible basis for use after ischemic stroke. The clinical record does not deliver. A Cochrane review of vinpocetine for acute ischemic stroke concluded the trials were too few and too small to support use, and a separate Cochrane review for cognitive impairment and dementia reached the same verdict: some short-term signals, no convincing evidence, insufficient data to recommend. Meanwhile the FDA issued a 2019 safety communication after NIH work found vinpocetine reduced fetal weight and increased miscarriage risk in animals, advising women of childbearing age not to take it. Product content analyses have also found wide deviation from labelled amounts.

    How It Works

    • Blocks voltage-gated sodium channels, reducing neuronal excitotoxicity
    • Inhibits PDE1, raising cyclic nucleotide signalling and cerebral vasodilation
    • Increases cerebral blood flow and glucose uptake in imaging studies

    Quick Facts

    • Synthetic, not a botanical constituent — prescription-only in much of Europe
    • FDA 2019 warning: possible miscarriage and fetal harm
    • Both Cochrane reviews concluded evidence is insufficient

    Benefits & Outcomes

    No linked outcomes yet. Research is ongoing.

    Health Concerns Addressed

    Cognitive Decline

    condition
    Not supported
    Effectiveness 1/5

    Weak and dated trial evidence, a synthetic drug sold outside drug regulation, and an active safety warning — the risk-benefit case does not hold.

    Supporting Research
    5 studies

    Vinpocetine for cognitive impairment and dementia

    Score: 9/10
    2003
    meta_analysis
    n=583

    Szatmári SZ, Whitehouse PJ

    The evidence is insufficient to support the use of vinpocetine for people with dementia.

    View source

    Vinpocetine for acute ischaemic stroke

    Score: 9/10
    2008
    meta_analysis
    n=70

    Bereczki D, Fekete I

    There is not enough evidence to evaluate the effect of vinpocetine on outcome after acute ischaemic stroke.

    View source

    Role of vinpocetine in cerebrovascular diseases

    Score: 5/10
    2011
    systematic_review

    Patyar S, Prakash A, Modi M +1 more

    Vinpocetine increases cerebral blood flow and has neuroprotective actions, but clinical outcome data remain limited.

    View source

    Vinpocetine treatment in acute ischaemic stroke: a pilot single-blind randomized clinical trial

    Score: 4/10
    2001
    rct
    n=33

    Feigin VL, Doronin BM, Popova TF +2 more

    Trends towards better three-month functional outcome were seen with vinpocetine, but the pilot trial was underpowered.

    View source

    Effect of vinpocetine on cognitive performances of a Nigerian population

    Score: 4/10
    2014
    rct
    n=60

    Ogunrin A

    Vinpocetine improved attention and working-memory measures relative to placebo in healthy adults.

    View source

    Safety Information

    Potential Side Effects

    Headache, flushing, dizziness, nausea, sleep disturbance, transient blood pressure changes. Case reports of agranulocytosis.

    Contraindications

    Pregnancy or possible pregnancy, anticoagulant therapy, bleeding disorders. Discontinue before surgery.

    Drug Interactions

    • Warfarin and antiplatelet drugs — additive bleeding risk
    • Antihypertensives — possible additive blood pressure lowering

    Pregnancy & Breastfeeding

    Pregnancy: unsafe

    Breastfeeding: unsafe

    Dosage Guidelines

    Dosage Used in Studies

    5-20 mg

    Best Time to Take

    Not applicable

    Best Form

    None recommended for over-the-counter use

    Bioavailability

    Low and highly variable orally; food increases absorption around 60-100%

    Forms Compared

    Label accuracy has been poor in independent analyses

    Food & Timing

    Absorption improves substantially when taken with food

    Medical Disclaimer

    The information provided on this website is for educational and informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or before starting any supplement regimen.

    Individual results may vary. The statements on this website have not been evaluated by the Food and Drug Administration. Products and information are not intended to diagnose, treat, cure, or prevent any disease.