Thankfully it's not that easy to overdose on energy drinks. A 500 ml can of Black (Polish brand) has 0.7 mg/100 ml. I would not drink more than one of these dai

Thankfully it's not that easy to overdose on energy drinks. A 500 ml can of Black (Polish brand) has 0.7 mg/100 ml. I would not drink more than one of these daily. Edit: Oh, a sugar-free 250 ml can of Red Bull has 2 mg/100 ml. That is somewhat concerning. Edit #2: Red Bull seems to be an outlier, all other energy drinks come with 0.7 or less.