So it is more like a "sweetener for the coffee". Not, "adding caffeine kick to a cola". On a side note, is that even possible, wouldnt all the CO2 fly away, as

So it is more like a "sweetener for the coffee". Not, "adding caffeine kick to a cola". On a side note, is that even possible, wouldnt all the CO2 fly away, assuming you poured cold coffee? Im considering trying it, suspect this might be quite terrible.