Ginkgo Biloba leaf

Ginkgo leaf, ASK No.  05152 and preparations thereof.  
Ginkgo leaf, dry extract without further detail, ASK No.  16640.  
Ginkgo leaf, dry extract with ethanol/ethanol-water, ASK No.  19769.  
Ginkgo leaf, dry extract with methanol/methanol-water, ASK No.  11837.  
Ginkgo leaf, fluidextract with ethanol/ethanol-water, ASK No.  09119.  
Ginkgo leaf, fluidextract with ethanol/wine, ASK No 12220.  

Pharmacological Properties, Pharmacokinetics, Toxicology

There is no adequate scientific data for the pharmacology and toxicology of these preparations.  

Clinical Data

Ginkgo leaf and preparations as specified above in monopreparations are applied in arterial circulatory disturbances, cerebral circulatory disturbances, and for deficiencies of cerebral circulation.  They are also applied in:

Vertigo, improved circulation and strengthening of circulatory system, especially veins, as a strengthening and stress-relieving agent for the circulation, as a psychopharmaceutical and neurotropic agent.  

In compound preparations these additional following syndromes are addressed:

Strengthening of reduced sexual activity, reduced libido, premature ejaculation, sexual neurasthenia, for increased potency, against premature aging, against psychogenic and body-produced mood disturbances, regulation of the pH value of the stomach and intestine, for liver and gallbladder function, for redox potential, cell poisoning, breakdown of fermentation products, for regulation of bacterial flora, restoration of balance to lymph and collateral circulation, increasing blood pressure in hypotonia, heart and circulatory disorders from low blood pressure, hypertension, heart trouble, circulatory problems, complex symptoms related to senile hypertension, arteriosclerosis, treatment of insufficient circulation in the elderly, strengthening of mental and physical performance deficiencies, amelioration of stress and over-strain, return of performance after illness, stimulation against age-related performance deficiencies and lack of concentration.  

The efficacy of the preparations described has not been confirmed for the indications claimed.  

Due to the content of ginkgolic acids, which are potent contact allergens, an allergic risk is not ruled out.  

[Ed.note:This applies to various preparations made from the whole leaf.  The approved standardized extract has had the ginkgolic acids reduced.  For more on this subject, see Ginkgo section in theIntroduction.

Since the efficacy of the above preparations for their listed indications has not been confirmed, no therapeutic application is approved.  

[Ed.  note:An approved ginkgo leaf extract preparation is listed in the Approved Herbs section.]