Ginkgo Biloba (EGb 761)

Herbal Nootropicoral · inferred

Standardised extract of Ginkgo biloba leaves containing ginkgolides and bilobalide. Enhances cerebral blood flow, acts as an antioxidant, and modulates neurotransmitter systems. Active terpene lactones have varying half-lives: ginkgolide A ~4.5h, ginkgolide B ~10.6h, bilobalide ~3.2h. Caution with anticoagulants due to PAF antagonism.

Projected serum levels — 120 mg, once daily

Ginkgo Biloba (EGb 761)
Ginkgo Biloba (EGb 761) modeled serum levels, 120 mg once daily over 15 days Population-based pharmacokinetic estimate. Steady state reached after approximately 1 days. 0 25 50 75 100 Day 0 Day 4 Day 8 Day 11 Day 15 Time on a regular schedule ≈ steady state · day 1

Maintenance schedule: 120 mg once daily (oral).

Modeled steady state after ~1 days: peak ≈ 53.9 mg, trough ≈ 0.016 mg body load. Population-based estimate over 15 days for a 120 mg dose at a 70 kg reference body mass — the interactive app scales curves to your doses, timing, and body mass.

Key facts

Category
Herbal Nootropic
Route modeled
Oral
Model confidence
inferred
Half-life
1.8 h
Common dose
120 mg
Suggested maximum
240 mg/day
Reference dose range
60–240 mg (single dose)
Suggested cadence
once daily

Documented interactions

  • danger
    1P-LSD (1-Propionyl-LSD) + Ginkgo Biloba (EGb 761) Serotonin risk

    1P-LSD (1-Propionyl-LSD) and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental status).

  • danger
    25I-NBOMe + Ginkgo Biloba (EGb 761) Serotonin risk

    25I-NBOMe and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental status).

  • danger
    2C-I (2,5-Dimethoxy-4-iodophenethylamine) + Ginkgo Biloba (EGb 761) Serotonin risk

    2C-I (2,5-Dimethoxy-4-iodophenethylamine) and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental…

  • danger
    2C-B (4-Bromo-2,5-dimethoxyphenethylamine) + Ginkgo Biloba (EGb 761) Serotonin risk

    2C-B (4-Bromo-2,5-dimethoxyphenethylamine) and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental…

  • danger
    3-MeO-PCP (3-Methoxyphencyclidine) + Ginkgo Biloba (EGb 761) Serotonin risk

    3-MeO-PCP (3-Methoxyphencyclidine) and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental status).

  • danger
    4-AcO-DMT (Psilacetin) + Ginkgo Biloba (EGb 761) Serotonin risk

    4-AcO-DMT (Psilacetin) and Ginkgo Biloba (EGb 761) both have serotonergic activity. Risk of serotonin syndrome (hyperthermia, rigidity, autonomic instability, altered mental status).

Serum checks 312 modeled interaction pairings for ginkgo biloba (egb 761) across your whole stack — absorption conflicts, enzyme inhibition, and nutrient depletion included.

Research behind this entry

  1. An updated review of randomized clinical trials testing the improvement of cognitive function of Ginkgo biloba extract in healthy people and Alzheimer's patients Yuan Q et al. · Frontiers in Pharmacology, 2019 DOI

    Comprehensive review concluded Ginkgo biloba extract (240 mg/day for >24 weeks) may improve cognitive function in mild dementia patients, with consistent benefits on activities of daily living and neuropsychiatric…

  2. Efficacy and adverse effects of Ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis Tan MS et al. · Journal of Alzheimer's Disease, 2015 DOI

    Systematic review and meta-analysis found Ginkgo biloba extract significantly improved cognitive function (ADAS-cog) and activities of daily living in dementia patients at 240 mg/day doses.

  3. Ginkgo biloba for prevention of dementia: a randomized controlled trial DeKosky ST et al. · JAMA, 2008 DOI

    GEM Study: large RCT in 3069 older adults found Ginkgo biloba (240 mg/day) did not reduce overall incidence of dementia or Alzheimer disease in cognitively normal elderly.

3 published studies referenced in the app, each with a plain-language summary.