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.
Hojicha Green Tea. Hojicha, also known as Houjicha, is produced from the Japanese green tea Bancha. Hojicha comes from the same plant like other green teas what makes it different is the process by which it is made. The main elements of Hojicha tea are tannin, theanine, caffeine and Vitamin C which provide a lot of health benefits.