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.
Mugicha (Barley seed tea). The benefits of barley tea may seem only secondary to the refreshing cool flavor it imparts to those who drink it. This enjoyable drink is used by many during warm dry months to cool them and to avoid dehydration.It can be drank as a cup of hot tea or iced in a glass.This tea is made from barley seeds.he benefits of barley tea may seem only secondary to the refreshing cool flavor it imparts to those who drink it. This enjoyable drink is used by many during warm dry months to cool them and to avoid dehydration.