How does it compare to brewed coffee and espresso? This is great coffee. Many customers allude to this instant coffee tasting just as good as the real deal, which is quite a daring statement. Generally, an 8-ounce bottle or can of original Arizona Green Tea contains between 15-30mg of caffeine, while half and half varieties contain between 5-10 mg. Light varieties of Arizona Green Tea contain no more than 5mg of caffeine per 8 ounces. [CDATA[// >