Ginkgoheteroside

PhytochemicalFlavonoid glycosideBest with a meal

What is it

Ginkgoheterosides are a class of flavonoid glycosides found in Ginkgo biloba leaf extract. They are sometimes listed on supplement labels as a sub-class within the broader 'ginkgo flavone glycosides' fraction.

Evidence for 1 use

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

Cognition / circulatory effects (via standardized ginkgo)

Good Evidence

Standardized ginkgo extracts have shown modest effects on memory and cognition in older adults and in dementia in trials; effects of isolated ginkgoheterosides are not separately characterized.

How it works

As part of standardized ginkgo extract, ginkgoheterosides contribute antioxidant and vasoactive activity attributed to the flavonoid fraction. Ginkgo extracts (e.g., EGb 761) also contain terpene lactones (ginkgolides, bilobalide) which contribute platelet-activating factor (PAF) antagonism and neuroprotective effects. Clinical effects are studied at the level of total standardized extract rather than isolated ginkgoheterosides.

Dosage

There is no RDA. Standardized ginkgo extracts are typically dosed at 120-240 mg/day, standardized to 24% flavone glycosides and 6% terpene lactones. DSLD does not provide a median dose for this entry.

When and how to take it

Take with food in divided doses. Cognitive effects accrue over weeks of daily use.

1 commercial form

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Ginkgo biloba extract standardized to flavone glycosides

Look for extracts standardized to 24% flavone glycosides and 6% terpene lactones.

Flavonoid bioavailability varies; standardized extracts are the studied form.

Safety

Standardized ginkgo extracts are generally well tolerated. Most-reported side effects include mild GI upset, headache, and dizziness. Increased bleeding risk has been reported, especially with anticoagulants.

Who should be cautious

Avoid for 1-2 weeks before scheduled surgery. Caution in bleeding disorders, on anticoagulants, in seizure disorders, and in pregnancy/breastfeeding.

Interactions

May increase bleeding risk with warfarin, antiplatelet drugs, and NSAIDs. May interact with seizure medications (theoretical seizure threshold lowering at high doses or with poorly standardized products containing ginkgotoxin).

Frequently asked questions

Are ginkgoheterosides the same as ginkgolides?⌄

No. Ginkgoheterosides are flavonoid glycosides; ginkgolides are terpene lactones in ginkgo extract.

Should I stop before surgery?⌄

Yes. Stop ginkgo at least 1-2 weeks before scheduled surgery due to bleeding risk.

References

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

Research on Ginkgoheteroside (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.