It's got nothing to do with drugs. It is also more healthy than coffee, contains less caffeine and yet still keeps you up.
It includes taurin. Which is NOT bullsperm. It helps the function of the muscles, although humans don't need much of it.
Derived from the liquid oxygen fuel of NASA booster rockets.
Will: "Tommy had too many Red Bulls. He kept running around like a maniac smashing himself into this and that before he finally combusted outside."