Cognitive & Focus

Ginkgo Biloba: Benefits, Dosage & What the Science Says

Ginkgo biloba standardized leaf extract (EGb 761) is one of the most extensively researched herbal supplements in Western medicine, with well-documented effects on cerebral blood flow, platelet aggregation, and neuroprotection via flavonoid glycosides and terpenoids.

Last reviewed: Moderate evidence Ginkgo biloba L.

What Is Ginkgo Biloba?

Ancient tree extract for cerebral circulation and cognitive clarity

Evidence-Based Benefits

  • Cerebral circulation and oxygen delivery
  • Memory and cognitive processing support
  • Antioxidant neuroprotection

Recommended Dosage

120--240 mg daily of EGb 761 standardized extract (24% flavonoid glycosides, 6% terpene lactones); split into two doses. Allow 4--6 weeks for measurable cognitive effects.

Safety, Side Effects & Interactions

Anticoagulant properties -- do not combine with warfarin, aspirin, or other blood thinners without medical supervision; discontinue 2 weeks before surgery; rare seizure risk at very high doses.

Works Well With

Research suggests Ginkgo Biloba may complement:

Traditional Use

Traditional Chinese Medicine
银杏叶 Bai Guo Ye
astringes the Lung and calms wheezing unblocks collaterals and supports circulation clears turbidity and quiets the upper body

View herb profile on NaturalHerbLibrary.com →

References

  1. EGb 761 and cognitive function in older adults: meta-analysis - PMID:22747190
  2. Ginkgo biloba and cerebral blood flow: a review - PMID:12164554
  3. Ginkgo biloba extract in dementia: a systematic review - PMID:19468874
  4. Flavonoid glycosides and terpenoids: mechanisms of neuroprotection - PMID:10641972

Last reviewed: June 6, 2026. For informational purposes only. See full disclaimer. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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