0 calories per bottle. Japans no.1 Green Tea Brand. A harmonious blend of green tea and roasted rice. No sugar or calories. No added colors or flavors. Natural tea leaf sediment may be present. Oi Ocha (oh-ee oh-cha) is Japans No. 1 green tea brand and means Tea, please! Enjoy this bottled green tea produced by ITO EN, Japans foremost tea purveyor. Please visit us at: www.itoen.com. Product of Japan.