May be you should have another look at the nutritional differences.
They are nothing alike, not even remotely similar, they contain completely different things, and have completely different affect on your body.
I get redbull for $1 per can, sometimes 50 cents, so I highly doubt that you can get a cup of coffee for 0.00025 cents.
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[FONT=Verdana, Arial, Tahoma, Calibri, Geneva, sans-serif]I think you are confusing a drink you can buy at your local servo with supplements.[/FONT]
[FONT=Verdana, Arial, Tahoma, Calibri, Geneva, sans-serif]And you probably missed the parts where I said that I occasionally use it when I feel I need it due to lack of energy or drive to train after a long day at work.[/FONT]