Recently, I found there is a favor of coca cola. That is a coffee favor. I bought a bottle of this kind of coke to try. That is not bad. However, that tasted similar to the coke candy and smelled like a cup of real coffee. That is not 100% my taste. Anyway, it got more 50% caffeine; it made myself awake. That is the things I like. If you wish to stay awake, I think that is worth to try this.