Flat Monster Energy Drink-- is the caffeine still active?

Question

ok I know it's a stupid question--

but if you let your monster energy drink go flat does it still have the same "Eye Opening" effect? so if you drink it flat, will you still be up until 4 am?

Answer 1

Yes.  Caffeine does not depend on carbonation to be effective.  Remember, coffee and tea have no fizz either.