Can you die from taking too much caffeine? The answer is yes - all it takes to kill you is the equivalent of 70 cans of energy drinks:
30 Strangest Deaths in History
Apparently, the pack of [powder] caffeine suggested taking no more than 1/16 of a teaspoon, but Bedford reportedly took spoonfuls of the stuff, so I wouldn’t start worrying that your morning coffee addiction might help you end up on the wrong side of living. Bedford reportedly took the dosage of caffeine at a party, and one friend recounts seeing him profusely sweating and throwing up blood only about 15 minutes after the dosage was taken. Pretty horrifying.