What is caffeinated water? It’s exactly what it sounds like—water with caffeine added to it. It’s healthy, keeps you hydrated and provides the energy boost you’re looking for. Try swapping out your daily cup of joe for a delicious hint kick. Our fruit-flavored caffeinated water is free of calories, carbs, sugar and high fructose corn syrup or diet sweeteners. In fact, it contains only three components: water, natural fruit flavors and around 60 mg of all natural caffeine. hint kick comes in tasty flavors like lemon cayenne, apple pear and black raspberry. Get energized, stay hydrated and taste one of our flavors today.