Sokenbicha  In the U.S., Sokenbicha features a line of five blended teas inspired by the teachings of Kampo. The product is endorsed and formulated in partnership with Nihondo, Japan’s largest Kampo boutique. The products are zero calories, unsweetened, and authentically brewed. Bottle size: 15.2 fl oz/450 ml  In the US, Sokenbicha is sold in the following five varieties: