The Cherry Blackberry MiO Liquid Water Enhancer will improve the way your water tastes. This enhancer contains no fruit juice, which often contains sugar. That makes it suitable for people who have diabetes or for those who want to watch their sugar intake. In addition, this 1.62 fl oz MiO Water Enhancer does not contain caffeine. The enhancer is easy to use. Simply squeeze a few drops into your water to add flavor. You also do not have to refrigerate it after you open it.