Now you can enjoy the benefits of gingko, green tea and Chinese herbs without all the caffeine! Our green tea is decaffeinated using a carbon dioxide effervescent process to produce a decaffeinated green tea with a smooth and mild flavor. Carbon dioxide occurs naturally in air. It gives carbonated mineral waters their fizz. This tea is made from gingko and decaffeinated green tea along with a blend or revered Chinese herbs including ginseng, eleuthero commonly called Siberian ginseng , astragalus, poria, fo-ti and licorice root. Chinese herbalists considered them to be beneficial herbs that helped lift spirits chi . Gingko has been cultivated in China for ages. The gingko is estimated to be 270 million years old. Gingkos are long-lived, with some trees said to be more than 2,500 years old. Enjoy this delicious tea hot or iced.