Ginkgo biloba is a gymnosperm plant, the only surviving species of the Ginkgoaceae family, of the entire Ginkgoales order and of the Ginkgophyta division. It is an ancient tree whose origins date back to 250 million years ago in the Permian and for this reason it is considered a living fossil. Ginkgo biloba is often used against memory disorders and for conditions which, especially during old age, are associated with reduced blood flow to the brain (such as headaches, dizziness, tinnitus, difficulty concentrating and impaired concentration). humor).