Health effects of Ginkgo extracts and supplements


Ginkgo is marketed in dietary supplement form with claims it can enhance cognitive function in people without known cognitive problems, but such claims are unfounded because it has no effect on memory or attention in healthy people.

Ginkgo has been studied as a possible treatment for dementia and Alzheimer’s disease, with mixed results. Some reviews have concluded there is no good evidence supporting the use of Ginkgo in dementia, whereas others have concluded that the EGB761 extract may help patients with dementia. The 2008 “GEM” study concluded that as a preventative toward the onset of Alzheimers, Gingko was “ineffective in slowing cognitive decline”.

There is no good evidence supporting the use of Ginkgo for treating high blood pressure, menopause-related cognitive decline, tinnitus, post-stroke recovery, peripheral arterial disease, macular degeneration, or altitude sickness.

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