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.
Tasting Notes: Genmaicha is a traditional Japanese green tea. The lovely vegetal green flavor, indicative of Japan's steaming process, is balanced by the nutty flavor imparted by the roasted rice. The combination becomes an earthy tea that is as soothing to the soul as chicken noodle soup.