How much caffeine is in Rockstar drinks?

We track 5 Rockstar products, each with the caffeine figure Rockstar publishes.

Rockstar Punched has the most at 240 mg (16 fl oz can); Rockstar Sugar Free has the least at 160 mg.

The typical Rockstar product here has about 200 mg in its usual serving, more than the 95 mg in an 8 fl oz cup of brewed coffee.

For an 11 pm bedtime, Rockstar Sugar Free is the easiest to fit in (finish by 2:05 pm); Rockstar Punched needs the most time (finish by 11:10 am).

Open any of them to see the sizes, how much is left at bedtime if you have one at 3 pm, and the latest time for your own bedtime.

Rockstar, strongest first

Servingfor an 11 pm bed
Rockstar Punched16 fl oz can240 mg11:10 am
Rockstar Focus12 fl oz can200 mg12:30 pm
Rockstar Zero Carb16 fl oz can160 to 240 mg12:30 pm
Rockstar Energy16 fl oz can161 mg2:05 pm
Rockstar Sugar Free16 fl oz can160 mg2:05 pm

"Finish by" is the latest time to start one serving so that an average adult is under 50 mg of caffeine from 11 pm through the night. Each product page has other bedtimes and sensitivity levels.

Against other brands

Energy drinks: the typical Rockstar one has 200 mg against 187 mg for the other 36 we track, 7% more. Closest in strength from other brands: 3D Energy (200 mg), 5-hour Energy (200 mg), Alani Nu Energy Drink (200 mg). The strongest overall is Bang Energy at 300 mg.

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