[...] 5 Caffeinated water drinks FYXX has 110mg of caffeine per 20oz. bottle and has no calories or carbs. To compare this with the others. It has almost as much caffeine as a bottle of Potenza. BuzzWater BuzzWater adds something new to the caffeinated water market and that the option to pick between 2 different strengths. There is a “regular” version, which has 2While caffeinated water drinks may sound like the ultimate solution, I still have my doubts about it. Just give me a glass of water and I’ll be satisfied. [...]