Kanehide Bio's guava tea uses nothing but 100% locally produced Okinawa guava leaves. Okinawan tea is carefully managed from cultivation right through to the final product. Delicious when chilled during the summer, guava tea is an ideal partner to help maintain your daily health. Guava is a small deciduous tree of the myrtaceae family that is native to the American tropics and Southeast Asia. It is known as 'banjirou' in Japan. The guava is both eaten as a fruit and used to make juice. The leaves of the tree are used to make tea. In recent years the activities of the guava polyphenol in guava tea have been clarified.