Common Periwinkle

BotanicalBest with a meal

What is it

Common periwinkle (Vinca minor), also called lesser periwinkle, is a perennial evergreen ground cover whose leaves contain vinca alkaloids, particularly vincamine, which has been investigated for circulatory and cognitive uses.

Evidence for 1 use

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Cerebral circulation / cognitive support

Limited Evidence

Vincamine and vinpocetine (semi-synthetic) have been studied for cerebrovascular and cognitive endpoints, with mixed results. Evidence for the whole periwinkle herb in dietary supplement form is limited and largely extrapolated from alkaloid studies.

How it works

The leaves contain indole alkaloids including vincamine and vinpocetine (a semi-synthetic derivative), which have been studied for effects on cerebral blood flow and neuronal energy metabolism. Vincamine appears to act as a vasodilator and may improve oxygen and glucose utilization in brain tissue. The whole-leaf extract differs in composition and potency from isolated alkaloid pharmaceuticals, and effects of the herb itself in supplement form are less well characterized than the isolated compounds.

Dosage

There is no established RDA. Traditional herbal preparations vary widely; alkaloid-standardized products list the vincamine or vinpocetine content rather than total herb mass. DSLD does not provide a median dose for this entry. Use product-specific guidance only.

When and how to take it

No established timing baseline. Traditional preparations are typically taken in divided doses with meals to limit GI upset. Follow label directions.

1 commercial form

Compare the main delivery options and what they’re best suited for.

Lesser periwinkle aerial parts/leaf extract

Liquid and dry extracts dominate the supplement market for this botanical.

Alkaloid content varies by extraction; standardized products specify vincamine percentage.

Safety

Common side effects reported with vinca alkaloid extracts include nausea, headache, low blood pressure, and dizziness. Periwinkle is not generally recognized as safe for unrestricted dietary use in the US. Avoid in low blood pressure, bleeding disorders, and brain tumors.

Who should be cautious

Avoid in pregnancy and breastfeeding (insufficient safety data and historical reports of toxicity). Caution in low blood pressure, bleeding disorders, recent stroke, and brain tumors. Discuss with a prescriber if taking blood pressure, blood thinning, or seizure medications.

Interactions

Vinca alkaloids may potentiate antihypertensives and anticoagulants/antiplatelets. Theoretical interactions with sedatives and CNS depressants are possible. Consult a clinician before combining with prescription drugs.

Frequently asked questions

Is periwinkle the same as vinpocetine?⌄

No. Vinpocetine is a semi-synthetic derivative of vincamine, an alkaloid found in periwinkle. Herb-form products contain a mixture of alkaloids in lower, variable concentrations.

Is common periwinkle safe?⌄

It has not been confirmed as generally safe for unrestricted use. It can lower blood pressure and may interact with several medications. Use only under clinician guidance.

References

Common Periwinkle on Wikidata — Wikidata link

Common Periwinkle on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Common Periwinkle (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.