Cira › Drinks › Energy drinks

Caffeine in energy drinks

A single can runs from 80 mg to 200 mg. The number on the label is honest, the serving size is where people get caught.

Drink	Serving	Caffeine	Time to clear	Latest for an 11 pm bedtime
Celsius	12 oz can (355 ml)	199 mg	13 and a half hours	9:36 am
Alani Nu	12 oz can (355 ml)	199 mg	13 and a half hours	9:36 am
Monster	16.9 oz can (500 ml)	160 mg	11 and a half hours	11:24 am
Rockstar	16 oz can (473 ml)	151 mg	11 hours	11:53 am
Red Bull	8.4 oz can (250 ml)	80 mg	6 hours	5:06 pm

Energy drinks are the easiest way to cross the 400 mg daily limit without noticing, because a can is finished in minutes and nobody counts it as coffee. Two 500 ml Monsters and one coffee is already 400 mg. They also land fast: carbonation and an empty stomach push the peak closer to 30 minutes than 45. The caffeine in these cans is the same molecule as in coffee, and taurine, B vitamins and guarana do not change how long it stays in you.

12 oz can (355 ml)

12 oz can (355 ml)

16.9 oz can (500 ml)

16 oz can (473 ml)