Gingko biloba is widely advertised as a memory enhancer. It is the main or at times the only ingredient in pills and other nostrums claimed to be a memory enhancer. Is there any evidence at all that ginko enhances memory?
No! Several excellent controlled studies found that gingko had absolutely no effect on memory, learning, attention, concentration or verbal fluency in older people.
The take home message is save your money and be wary about claims made by supplements that are not backed up with controlled studies that document the efficacy of the substance.
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