For example, Gyokuro, often regarded as the most ... The roasting process of the tea lowers the caffeine content of the leaves. Kukicha is another one, which is also called Karigane in Kyoto ...

Gyokuro Green Tea Gyokuro, a premium green tea variety, is known for its smooth, creamy flavor and high caffeine content, which offers an energy boost without the harshness of coffee. Its ...