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Types of Ginkgo Biloba: Forms & Bioavailability

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
EGb 761 Standardized ExtractHighGold standard — 24% flavonoid glycosides, 6% terpene lactones; most clinically studied form
Generic Standardized ExtractModerate-HighBudget option — verify standardization to 24/6 ratio
Whole Leaf CapsulesLow-ModerateTraditional use — lower concentration of active compounds

EGb 761 Standardized Extract

Bioavailability: High. Best for: Gold standard — 24% flavonoid glycosides, 6% terpene lactones; most clinically studied form.

Generic Standardized Extract

Bioavailability: Moderate-High. Best for: Budget option — verify standardization to 24/6 ratio.

Whole Leaf Capsules

Bioavailability: Low-Moderate. Best for: Traditional use — lower concentration of active compounds.

References

  1. (). Efficacy and adverse effects of Ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis. Journal of Alzheimer's Disease. DOI
  2. (). Ginkgo biloba for prevention of dementia: a randomized controlled trial (GEM Study). JAMA. DOI
  3. (). 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