About ginkgo biloba extract
Herbal cognitive supplement
Used for
- Used for symptoms of dementia, though benefits are uncertain.
- Sometimes used for tinnitus or circulation symptoms; evidence is limited.
Usual adult dose
Commonly studied doses are 120–240 mg daily, divided or once daily, using standardized extract.
Common side effects
- Headache
- Dizziness
- Stomach upset
- Allergic skin reactions
Important warnings
- May increase bleeding risk, especially around surgery.
- Evidence for preventing or treating dementia is limited.
- Avoid ginkgo seeds; they can be toxic.
- Product quality and extract composition vary.
Pregnancy
Avoid during pregnancy because safety is not established and bleeding risk may increase.
Breastfeeding
Safety is not established; use is generally avoided.
Interactions
- Warfarin and other anticoagulants or antiplatelet medicines: increased bleeding risk.
- NSAIDs such as ibuprofen: possible increased bleeding risk.
- Seizure medicines: may affect seizure control or medicine levels.
- Diabetes medicines: may alter blood sugar.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.