Rockstar Energy Original contains 150 mg of caffeine per 500 ml can (30 mg per 100 ml), according to Open Food Facts.

Rockstar
per can
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150 mg of caffeine, about 1.9 espressos. 62.5 g of sugar, roughly 16 sugar cubes. 260 kcal for the whole can. Above 15 mg/100 ml the label must carry the "high caffeine content" notice.
Rockstar
| Brand country | United States source |
|---|---|
| Can size (ml) | 500 source |
| Caffeine (mg/can) | 150 source |
| Caffeine (mg/100 ml) | 30 source |
| Sugar (g/can) | 62.5 source |
| Taurine (mg) | 100 source |
| Calories (kcal) | 260 source |
| Sweeteners | no source |
Values for the format shown above, from the published label (brand website, Open Food Facts or retailer): each figure links to its source.
Rockstar Energy Original carries 150 mg of caffeine in a 500 ml can (17 fl oz), or 30 mg per 100 ml. The catalogue median is 30 mg per 100 ml.
Sugar comes to 62.5 g a can, 12.5 g per 100 ml, about 16 sugar cubes, for 260 kcal.
It matches Red Bull the Purple Edition Energy Drink milligram for milligram at 30 mg per 100 ml — so the two separate on sugar and calories, not on the stimulant.
At the other end, Crazy Tiger Cherry runs at only 20 mg per 100 ml. The gap between the lightest and the strongest can here is narrower than most people expect.
More from Rockstar
- Rockstar Energy Original Zero Sugar 30 mg/100 ml
- Rockstar Kiwi Watermelon 30 mg/100 ml
- Rockstar Punched Tropical Guava (500 ml) 30 mg/100 ml
Comparable doses (30 mg/100 ml)
- Aldi Energy Zero 30 mg/100 ml
- Celsius Sparkling Mango Lemon 30 mg/100 ml
- Crazy Tiger Feel Good 30 mg/100 ml
Frequently asked questions
How much caffeine is in Rockstar Energy Original?
The can contains 150 mg of caffeine, which is 30 mg per 100 ml. EFSA puts the limit at 400 mg a day for adults, and 200 mg in a single serving.
Does Rockstar Energy Original contain sugar?
Yes: 62.5 g of sugar per can, roughly 16 sugar cubes.
