Add a boost with Hangover Blend, featuring Ginko Biloba
Ginkgo (Ginkgo biloba; in Chinese and Japanese 銀杏, pinyin romanization: yín xìng, Hepburn romanization: ichō or ginnan), also spelled gingkoand known as the Maidenhair Tree, is a unique species of tree with no close living relatives. The Ginkgo is a living fossil, as a unique species recognizably similar to fossils dating back 270 million years. Native to China, the tree is widely cultivated and introduced early in human history, and has various uses as a food and in traditional medicine. 
Mustoe, G.E. (2002). “Eocene Ginkgo leaf fossils from the Pacific Northwest”. Canadian Journal of Botany 80 (10): 1078–1087. doi:10.1139/b02-097.
Shen, L; Chen, X-Y; Zhang, X; Li, Y-Y; Fu, C-X; Qiu, Y-X (2004). “Genetic variation of Ginkgo biloba L. (Ginkgoaceae) based on cpDNA PCR-RFLPs: inference of glacial refugia”. Heredity94 (4): 396–401. doi:10.1038/sj.hdy.6800616. PMID 15536482.