General Dosage
120-240mg daily of standardized extract (24% flavonoid glycosides, 6% terpene lactones)
Maximum dose: 240mg/day of standardized extract
Ginkgo Biloba Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 120-240mg daily of standardized extract (24% flavonoid glycosides, 6% terpene lactones)
Timing: Take with meals; divide into 2 doses (morning and afternoon) for sustained effect • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Cognitive support | 240mg daily | Moderate |
| Tinnitus | 120-240mg daily for 8-12 weeks | Emerging |
| Peripheral circulation | 120-160mg daily | Moderate |
Upper limit: 240mg/day of standardized extract
Timing & Absorption
Take with meals; divide into 2 doses (morning and afternoon) for sustained effect
Best taken with food for optimal absorption.
References
- Tan MS, Yu JT, Tan CC, et al. (2015). Efficacy and adverse effects of Ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis. Journal of Alzheimer's Disease. DOI PubMed
- DeKosky ST, Williamson JD, Fitzpatrick AL, et al. (2008). Ginkgo biloba for prevention of dementia: a randomized controlled trial (GEM Study). JAMA. DOI PubMed
- Vellas B, Coley N, Ousset PJ, et al. (2012). Long-term use of standardised Ginkgo biloba extract for the prevention of Alzheimer's disease (GuidAge): a randomised placebo-controlled trial. The Lancet Neurology. DOI PubMed