I also don't reply to polls or participate in the discussions thereto, but this one is a special breed. The paradox which someone is probably proud of having thought of needs feeding.

You need one of these for your collection: here's a picure of something I drank in Prague.
http://www.allengrace.co.uk/images/semtex_small.jp g

It said on the can that it contains

4000 mg/l taurine
320 mg/l caffeine

in a 250 ml can - so it's something like on a par with Red Bull. From memory it had a much more chemical-y flavour.