What is Ginkgo biloba used for?

Ginkgo biloba is used mainly for cognitive and circulatory health. Standardized extract (often EGb 761) has evidence for modest symptom support in mild-to-moderate dementia and may help intermittent claudication.

Does Ginkgo biloba improve memory in healthy people?

Evidence for improving cognition or memory in otherwise healthy adults is inconsistent. Benefits are more established for symptom support in certain clinical conditions than for general cognitive enhancement.

What is a typical Ginkgo biloba dose?

Common studied doses of standardized extract are 120–240 mg per day, often split into 1–2 doses. Product standardization and consistency matter because extracts can vary.

What are the main safety concerns with Ginkgo biloba?

Ginkgo can increase bleeding risk, especially when combined with anticoagulants, antiplatelet drugs, or NSAIDs. It can also cause side effects such as headache, dizziness, or gastrointestinal upset in some people.

Who should avoid Ginkgo biloba or use it only with medical advice?

People with bleeding disorders, those taking blood-thinning or antiplatelet medications, and anyone preparing for surgery should consult a clinician before use. Pregnant or breastfeeding individuals should also seek medical guidance due to limited safety data.

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Ginkgo Biloba

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Herbal supplement with evidence for supporting cognitive function in dementia and improving peripheral circulation; requires bleeding risk precautions.

Cardiovascular Support Cognitive Enhancement Memory Improvement Antioxidant Neuroprotective Anxiety Relief

dose range

120–240 mg

Split into two doses daily, taken with meals.

Consumption

Take standardized Ginkgo biloba extract (24% flavone glycosides, 6% terpene lactones) with meals to improve absorption and reduce GI side effects.

Not fat-soluble.

Best time

Morning and midday dosing is typical; avoid taking late in the day to prevent insomnia in sensitive individuals.

Description

Ginkgo Biloba is an herbal extract used primarily for cognitive and circulatory health. Its standardized form, EGb 761, is studied for dementia, anxiety, and circulatory issues. Benefits for healthy cognitive function remain unproven.

benefits

Main effects with level of evidence

Moderate

Note on evidence

Evidence is strongest for cognitive function improvement in dementia and peripheral vascular disease. Support for use in healthy individuals or anxiety is weaker.

Supports cognition and daily living in dementia

Moderate

Standardized Ginkgo extract (EGb 761) can modestly improve cognitive function and daily activities in people with mild-to-moderate dementia, including Alzheimer's disease.

Particularly relevant for: Older adults · People with mild dementia

S1 · NIH Office of Dietary Supplements – Ginkgo S2 · Cochrane Database Syst Rev – Ginkgo biloba for cognitive impairment and dementia S3 · PubMed – Efficacy and adverse effects of Ginkgo for cognitive impairment and dementia

Improves symptoms of intermittent claudication

Moderate

May modestly improve walking distance and reduce pain in people with peripheral artery disease.

Particularly relevant for: People with peripheral arterial disease

S1 · NIH Office of Dietary Supplements – Ginkgo S5 · Examine.com – Ginkgo Biloba

May reduce anxiety symptoms

Limited

Some studies suggest Ginkgo biloba may have mild anxiolytic effects, but evidence is limited and mixed.

Particularly relevant for: Adults with mild anxiety

S1 · NIH Office of Dietary Supplements – Ginkgo S5 · Examine.com – Ginkgo Biloba

Provides antioxidant protection

Theoretical

Contains flavonoids and terpenoids that exhibit antioxidant properties in vitro and animal models; clinical relevance is unclear.

Particularly relevant for: General population

S1 · NIH Office of Dietary Supplements – Ginkgo

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally safe at recommended doses, but increases bleeding risk and requires caution for some populations.

warning notices

Most common side effects: headache, dizziness, gastrointestinal upset.
Serious risk: increased bleeding, particularly with anticoagulants or antiplatelet drugs or prior to surgery.
Rare cases of allergic reactions and seizures reported.
Avoid use with blood thinners (e.g., warfarin, aspirin, clopidogrel) due to increased risk of bleeding.
Discontinue at least 2 weeks before elective surgery to reduce bleeding risk.
Not recommended during pregnancy or breastfeeding.
Monitor for signs of bleeding in people with bleeding disorders or peptic ulcer disease.
Use with caution in people with epilepsy due to potential risk of seizures.

Known interactions with medications

warfarin
aspirin
clopidogrel
ticlopidine
NSAIDs
anticonvulsants

Contraindications / special precautions

Active bleeding disorders
Use of anticoagulant or antiplatelet drugs
History of seizures
Pregnancy and breastfeeding

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Main concern is increased bleeding risk with anticoagulant or antiplatelet drugs; potential additive effects with other herbs or drugs that affect bleeding, and caution in epilepsy.