Ginkgo biloba
Commonly used for
FocusHealthy AgingMemory Problems
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The cheapest product is usually low quality, but more expensive doesn’t always mean better.
Wellness uses
Memory and cognitive-aging support, and altitude sickness prevention
This is anecdotal, and there isn't strong clinical evidence that it works for everyone.
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 et al. (2014). Efficacy and tolerability of Ginkgo biloba extract EGb 761® in dementia: a systematic review and meta-analysis of randomized placebo-controlled trials. Clin Interv 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.
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