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Ginkgo Biloba

One of the most-studied herbal supplements; modest evidence for cognitive performance & blood flow in older adults.

cognitionlongevityfocus

Evidence last reviewed: 04 Apr 2026

Evidence
1 record
1 recordBest grade:Moderate
Biomarkers
Cognitive FunctionMemory

The evidence for Ginkgo Biloba shows modest improvements in cognitive performance among older adults, particularly in attention and memory. However, the quality of studies varies, and there is no strong support for its role in preventing dementia.

Cognitive performance / dementia prevention
Older adults; mild cognitive impairment · Meta-analyses (mixed quality)
Moderate

Modest improvements in attention & memory in older adults; prevention of dementia not established in large trials.

Dose: 240 mgDuration: 12–24 weeks
May increase bleeding risk; caution with anticoagulants.
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cognitiveantioxidantfocus

Ginkgo biloba & pterostilbene are combined to support cognitive function & provide antioxidant benefits. Ginkgo biloba improves cerebral blood flow & cognitive performance, while pterostilbene offers antioxidant support for brain health.

Ginkgo Biloba
120mg
Pterostilbene
200mg
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Forms & usage
How to take it

Take 120-240 mg daily, divided into two or three doses, preferably with meals.

Standardised extract EGb 761 (24% flavonoids, 6% terpenes)
EGb761 is the most researched form.
Safety & trade-offs3
Interaction

Inhibits platelet aggregation — clinically significant bleeding risk with anticoagulants (warfarin, aspirin, clopidogrel)

Neural

May lower seizure threshold — avoid with epilepsy medications

Tolerance

Headache and GI upset common in first weeks of use

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