Vinpocetine
Commonly used for
Focus
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What is it? / Overview
Vinpocetine is proposed to increase cerebral blood flow, inhibit phosphodiesterase-1, and reduce platelet aggregation, but human blood levels achieved from oral dosing are far lower than the levels shown effective in animal studies, which may explain why controlled trials found no cognitive benefit in healthy adults or people with epilepsy. It has no regulatory approval anywhere for a cognitive indication.
How is it used? / Administration
Form: Vinpocetine (synthetic ethyl ester of apovincamine, derived from Vinca minor)
Typical dose studied: No dose recommended given the safety profile below -- trials commonly used 5-20 mg three times daily
Timing: With food
Ships trigger-empty given the absence of demonstrated efficacy -- the FDA's 2019 reproductive-harm warning is the dominant reason to flag this entry at all, not a benefit claim. The platform's own intake flow already hard-blocks recommendation generation for anyone reporting current pregnancy, but this warning also applies to women of childbearing potential more broadly, which the app's contraindication matching can't capture -- that gap is worth stating plainly to a reader rather than silently omitted.
How well does it work? / Evidence
? Emerging / limited evidence
Who should avoid it?
Avoid with: Bleeding disorder / Coagulopathy
Interacts with: Anticoagulants, antiplatelets -- additive bleeding via platelet-inhibiting effect; Antihypertensives -- theoretical additive effect
Already taking it? The U.S. FDA warned in 2019 that vinpocetine may cause miscarriage or fetal harm and advised against use in pregnancy or by women of childbearing potential not using contraception -- this is worth surfacing to any user reporting current use, regardless of the platform's own pregnancy handling. Controlled trials in healthy adults found no cognitive benefit.
Research & references
Meador KJ et al. (2021). Vinpocetine, Cognition, and Epilepsy. Epilepsy & Behavior. Sawangjit R et al. (2023). Efficacy and safety of herbal medicine on dementia and cognitive function: An umbrella review. Phytotherapy Research.
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