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.
genmai cha. Genmai Cha is a classic Japanese green tea, blended with toasted, popped rice. Originally created to stretch short supplies of tea, now enjoyed by tea lovers here and abroad. Warm and nutty taste, with a lovely savory quality. A hearty cup of tea that is easy to combine with food.