Ginkgo biloba
Commonly used for
FocusHealthy AgingMemory Problems
Where to Buy
Our experts personally review each product we recommend for quality and cost effectiveness.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Ginkgo improves microcirculation and has antioxidant properties. While early studies were promising, large clinical trials have shown inconsistent results for preventing dementia or substantially improving memory, making the overall evidence mixed.
How is it used? / Administration
Form: Standardized extract EGb 761 (24% flavone glycosides, 6% terpene lactones)
Typical dose studied: 120–240 mg/day
Timing: With meals; divided into two daily doses if preferred
Evidence strongest for standardized EGb 761 extracts specifically. NOT recommended for dementia prevention in healthy adults.
How well does it work? / Evidence
~ Moderate evidence
Who should avoid it?
Avoid with: Bleeding disorder / Coagulopathy; Epilepsy / Seizure disorder
Interacts with: Warfarin; Direct oral anticoagulants; Antiplatelet medications
Already taking it? Stop before surgery due to possible bleeding risk.
Research & references
Gauthier S, Schlaefke S. (2014). EGb 761 in dementia systematic review. Clinical Interventions in Aging. Snitz BE et al. (2009). Ginkgo biloba for cognitive decline prevention RCT. JAMA. Weinmann S et al. (2010). Ginkgo biloba in dementia systematic review. BMC Geriatrics.
Disclosure: Knozela is a participant in the Amazon Associates affiliate program. Some "Where to buy" links on this page are affiliate links -- if you make a purchase through them, Knozela may earn a commission at no additional cost to you.