Genuine Ashitaba harvested on Hachi Jo Island, Japan. Percent Ashitaba Sprouts Dietary Supplements Originated from the rich volcanic soil of Hachi Jo Island in Japan, the growth of Ashitaba is promoted by the warm tropical current known as black tide. With its uncanny ability to reproduce green stems and leaves, Ashitaba earned its name as "the leaf of tomorrow". It is also known to contain a rare element "Chalcone", a class of potent flavonoid compound. Local residents of Hachi Jo Island refer to Ashitaba as the "longevity herb", attribute their unusual healthfulness to the continual consumption of Ashitaba in their diet. Launched in 1989, Percent Ashitaba Powder contains Hachi Jo Island grown Ashitaba sprouts provided by "Ashitaba Manufacture Factory, Co. Ltd." in Japan and packaged under certified "CGMP" authority in USA. With the advance processing procedure, Percent Ashitaba Powder is able to retain its original nutrients and fresh flavor.