Description Kopiko candy from the real coffee extract to keeps you awake. Real pocket coffee anytime, anywhere. The Kopiko advises “4-5 sweets contain the caffeine equivalent of a cup of espresso” for the original coffee flavor, while the cappuccino flavor sweets contain “around half the caffeine” of the original coffee flavor.[5] The Caffeine Informer website estimates the caffeine content of the original coffee flavor to be “about 20-25 mg per piece since usually a cup of coffee is referring to 100 mg of caffeine.”