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.
Hong cha, or red tea, is the original name for  black tea  (hei cha) and it is used in the East because, in China, teas sometimes are named for the color of their infusions. In the West, teas are sometimes named for the color of their leaves.his dual meaning sometimes causes confusion amongst people who drink one type of red tea or the other. In the West, the more common meaning for  red tea  is rooibos, which is actually a type of tisane or herbal infusion.