Gingko is known to improves cognitive function because it promotes good blood circulation in the brain and protects the brain and other parts from neuronal damage. It also contains antioxidant, antibacterial, anti-cancer, and antiviral properties because of its compounds called ginkgo flavonol glycoside and terpenoids. Ginkgo i used to treat impotence in men, increasing the body's ability to achieve and maintain an erection during sexual stimulation.