most caffeinated drink?


New member
Oct 31, 2006
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looking for the most caffeinated drink, say at dunkin donuts. need something to get me very hyper. is ice coffee a better suggestion vs. black coffee with extra sugar?
I believe AM/PM is advertising a extra caffeine coffee (Fill your cup with our new High Voltage Java.™ Then top it off with one of our many flavored creamers and powders. It packs a perk and gets you going." I'm thinking that the "High Voltage" is some sort of artificial introduction of caffeine to the coffee....any others care to guess?