Recent research findings suggest that the extract from the leaves of the oldest type of tree on earth may indeed help the body support memory function. You know this supplement as Ginkgo Biloba, one of the five top-selling herbs in the United States In Asia, ginkgo extract has been used for more than 5,000 years. Currently it's gaining momentum as a natural aid to the nervous system due to its purported ability to support memory-related function in some individuals. Ginkgo Biloba Extract (GBE) not only promotes blood flow in both the brain's arteries and capillaries, it also maximizes the dilation of blood vessels to further enhance the flow of blood. GBE appears to be especially helpful for geriatric patients who typically exhibit a decline in cerebral blood flow due to aging that can then lead to memory and psychological impairment. GBE also appears to be effective in fighting free radicals, preventing them from damaging brain cells.