Rockstar · Zero sugar
Rockstar Sugar Free
Rockstar Sugar Free has 160 mg of caffeine, 0 g of sugar and 24 calories per 16 oz can.
Nutrition and caffeine facts
Caffeine per can
160 mg
40% of the 400 mg a day the FDA cites as an amount not generally linked to negative effects in healthy adults. Ranks #215 of 322 drinks by caffeine per can (see the ranking).
- Can size
- 16 fl oz
- Caffeine per fl oz
- 10 mg
- Sugar
- 0 g
- Calories
- 24
- Total carbs
- —
- Sodium
- 241 mg
Source
Nutrition facts from USDA FoodData Central (public domain); caffeine from the brand where listed. Last checked Oct 29, 2026.
Spot a number that doesn’t match your can? Formulas change, so check the label, and let us know.
Paid link: as an Amazon Associate, Energy Drink Central earns from qualifying purchases.