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Behind the Buzz: How Much Caffeine is in Energy Drinks

Energy drinks: what’s real, what’s hype, what’s the problem?

Caffeine Count
DRINK SERVING SIZE CAFFEINE CALORIES
Red Bull 8.3 oz. (1 can) 80 mg 110
Rockstar 8 oz. (half a 16-oz. can) 75 mg 120
Amp 8.4 oz. (1 can) 75 mg 120
Coke Classic 12 oz. (1 can) 34 mg 140
Coffee 8 oz. (1 cup) 75 mg & up* 10
*Caffeine content of coffee varies widely depending on roasting and brewing methods.



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