However, it is likely that all-. natural energy drinks may contain as. much caffeine as regular energy drinks, albeit from natural sources. Therefore, natural energy drinks could differentiate. by listing the amount of caffeine on. packaging, if the product has less caffeine.
Description. Oi Ocha is Japan's #1 green tea brand and means Tea, please!. Unsweetened. No calories. With more than 100% RDA of Vitamin C.  1  All natural. 2  Unsweetened.
1 In Operation Since 1998 - One of the very first online shops to offer fresh Japanese green tea and matcha to those outside of Japan, O-Cha.com is a fully registered Japanese corporation (KRM ã¤ã³ã¿ã¼ãã·ã§ãã«ååä¼ç¤¾) with our primary as business activity listing us as a supplier of Japanese green tea products worldwide. 2  Shincha.