In Germany ginkgo is licensed for the treatment of cerebral insufficiency for example impaired memory, dizzy, ringing in the ears, headaches, nervous anxieties. The extract has also been approved as a supplemental treatment for certain kind of hearing loss, leg cramps and numbness due to circulation.
Ginkgo accounts for one percent of all prescriptions medicines sold in Germany.
Active components of ginkgo biloba are flavone glycosides 22-27 percent, which is a type of flavonoid. Flavonoids are antioxidants. In ginkgo, it includes quercetin, kaempferol, isorhamnetin. Ginkgo reduces the stickiness of platelets in the blood so improves circulation and prevents the formation of clots in blood vessels. Flavonoids make vitamin C more effective so that the body requires lesser amounts of it.