MiO Energy Naturally Flavored with other natural flavors Tropical Fusion Liquid Water Enhancer with Caffeine provides delicious tropical flavor with a boost of B vitamins to fix your water. A single squeeze of tropical fusion liquid water enhancer drops deliver a burst of bold flavor and energy to bottled water. Whenever you're craving a fruity refreshment, turn your water into a cool tropical drink for a delicious caffeine fix anytime, anywhere. MiO Energy Liquid Water Enhancer is made with natural flavors. Our tropical fusion water enhancer delivers 60 milligrams of caffeine per squeeze (1/2 tsp). It's packed in a travel-sized 1.62 fluid ounce bottle you can take on the go, helping you stay awake and motivated no matter where life takes you.