Botanical name: Ginkgo biloba
Common name: Ginkgo, Maidenhair tree
Plant part: Leaf
Strength: 3:2
Source (Organic or Trade): Trade
Country of Origin: New Zealand
Weekly Dosage (mL): 30-60mL
Standardised to contain minimum of: 10mg/mL ginkgo flavonglycosides

Actions: Antioxidant, Cardiotonic, Circulatory stimulant, Cognition enhancer, Hepatoprotective, Neuroprotective

Main indication: Alzheimer's disease, dementia, cognitive performance & memory, eye & ear degenerative conditions, liver protection, poor circulation, varicose veins, capillary fragility, depression, ADHD, Parkinson's disease

Safety information: None identified.

Drug Interactions: Anticoagulants & antiplatelet agents - Theoretical potentiation of anticoagulant or antiplatelet effects, though no effect in healthy volunteers
Metformin - Some potentiation of hypoglycaemic action suggested
Simvastatin - Reduced oral simvastatin but not simvastatin acid PK bioavailability reported in healthy volunteers
Tolbutamide - Slight attenuation of hypoglycaemic effect possible

Potential Positive drug interactions: Cilostazol - Enhanced anti-atherogenic effect suggested in mice
Doxorubicin - Reduction in cardiotoxicity in animal studies
Gentamycin - Protection against ototoxicity reported in guinea pigs and mice
Haloperidol - Improved efficacy of haloperidol & less adverse effects reported
Midazolam - Possible enhancement in drug availability

Article: Herbal Mythbusters Info Sheet