The chinese have been using ginkgo biloba to treat a variety of conditions for nearly 2800 years which has more recently led to european physicians studying the many positive benefits which include increased alertness and mental responsiveness in healthy people it has also been shown to lead to improvements with cerebralperipheral circulation tinnitus cataracts and the outcome of strokes reflex nutritions ginkgo extract 6 terpene lactone is prepared from the dried leaves of the ginkgo