Ginkgo leaf, also known as Ginkgo biloba, is a perennial tree native to China. The leaves of the tree are used for medicinal purposes. Ginkgo leaf has been traditionally used to help improve circulation, especially in the legs, and to help reduce symptoms of memory loss, depression, and anxiety. It is believed to have antioxidant and anti-inflammatory properties. It is also traditionally used to help reduce symptoms of asthma, tinnitus and vertigo. Ginkgo leaf is also believed to have neuroprotective properties and may help to protect the brain from age-related damage.