Energy drinks · Rockstar
How much caffeine is in Rockstar?
A 16 fl oz can of Rockstar Original has 160 mg of caffeine, as Rockstar states it on its own US website.
Checked 28 Oct 2026 on rockstarenergy.com. Across the 9 Rockstar lines and sizes we checked: 160–240 mg per container.
One can at 75 kg: studies of caffeine and exercise use 3–6 mg per kg in one dose (225–450 mg at 75 kg). It's 40% of the FDA's 400 mg a day.
Every Rockstar line and size
Highest caffeine first. Open a row's flavours to see which ones share its caffeine.
| Caffeine level | One at your weight (75 kg) | Label source | |||||
|---|---|---|---|---|---|---|---|
Punched16 fl oz can (473 mL)3 flavoursHardcore Apple, Pineapple, Fruit Punch | 240 mg | 15 | 60% | 1.7 cans | High | Below research doseIn the research range400 mg or moreWithin your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Pure Zero16 fl oz can (473 mL)2 flavoursSilver Ice, Tangerine Mango Guava Strawberry | 240 mg | 15 | 60% | 1.7 cans | High | Below research doseIn the research range400 mg or moreWithin your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Pure Zero Fruit Punch16 fl oz can (473 mL)1 flavourFruit Punch | 240 mg | 15 | 60% | 1.7 cans | High | Below research doseIn the research range400 mg or moreWithin your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Throwback Original O.G.16 fl oz can (473 mL)1 flavourOriginal O.G. | 161 mg | 10.1 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more72% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Boom16 fl oz can (473 mL)2 flavoursPiña Colada, Whipped Strawberry | 160 mg | 10 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more71% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Original16 fl oz can (473 mL)1 flavourThe Original | 160 mg | 10 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more71% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Punched Lime Freeze and Blackberry16 fl oz can (473 mL)2 flavoursLime Freeze, Blackberry | 160 mg | 10 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more71% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Recovery16 fl oz can (473 mL)2 flavoursOrangeade, Lemonade | 160 mg | 10 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more71% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Sugar Free16 fl oz can (473 mL)1 flavourSugar Free | 160 mg | 10 | 40% | 2.5 cans | Moderate | Below research doseIn the research range400 mg or more71% of your 225–450 mg range | rockstarenergy.comchecked 28 Oct 2026 |
Some amounts were read off Rockstar's label images and are still being checked against the can.
Your bodyweight
Caffeine studies use 3–6 mg per kg in one dose. Enter your weight and the table shows what one can or shot is for you. Worked out in your browser; nothing is sent or stored.
Adding coffee or a pre-workout? Use the full caffeine calculator.
Where the caffeine comes from
Caffeine sources on the label, as printed:
- Caffeine
- Guarana Seed Extract
How much caffeine comes from each source is not printed on the label; the total below is all of them together.
- Rockstar Punched, 16 fl oz can: total 240 mg
- Rockstar Pure Zero, 16 fl oz can: total 240 mg
- Rockstar Throwback Original O.G., 16 fl oz can: total 161 mg
- Rockstar Boom, 16 fl oz can: total 160 mg
- Rockstar Original, 16 fl oz can: total 160 mg
- Rockstar Punched Lime Freeze and Blackberry, 16 fl oz can: total 160 mg
- Rockstar Sugar Free, 16 fl oz can: total 160 mg
Caffeine sources on the label, as printed:
- Caffeine
- Green Tea Extract
- Yerba Mate Extract
How much caffeine comes from each source is not printed on the label; the total below is all of them together.
- Rockstar Pure Zero Fruit Punch, 16 fl oz can: total 240 mg
Caffeine sources on the label, as printed:
- Caffeine
- Rockstar Recovery, 16 fl oz can: total 160 mg
Compared with pre-workouts
Pre-workouts with 135–185 mg of caffeine in one serving, within 25 mg of Rockstar Original, 16 fl oz can, in our ranking by dose.
- RYSE Godzilla 175 mg per serving
- Jacked Factory Wick Mode 150 mg per serving
- Optimum Nutrition Gold Standard Pre-Workout 175 mg per serving
- Transparent Labs LEAN 180 mg per serving
- Ascent Pre-Workout 150 mg per serving
What else is on the label
Amounts per container, as printed. An ingredient is graded only where we have a research dose for it; vitamins and minerals aren't graded here.
Rockstar Punched, 16 fl oz can (4 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Pure Zero, 16 fl oz can (4 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Pure Zero Fruit Punch, 16 fl oz can (4 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Throwback Original O.G., 16 fl oz can (5 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Riboflavin | 1 mg | Not graded |
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Boom, 16 fl oz can (5 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Calcium | 70 mg | Not graded |
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Original, 16 fl oz can (5 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Riboflavin | 1 mg | Not graded |
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Punched Lime Freeze and Blackberry, 16 fl oz can (4 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Recovery, 16 fl oz can (5 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
| Phosphorus | 80 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Rockstar Sugar Free, 16 fl oz can (5 more)
| Ingredient | Per can | Verdict |
|---|---|---|
| Riboflavin | 1 mg | Not graded |
| Niacin | 16 mg | Not graded |
| Vitamin B6 | 2 mg | Not graded |
| Vitamin B12 | 2 mcg | Not graded |
| Pantothenic Acid | 5 mg | Not graded |
Sold with Nutrition Facts (a beverage).
Questions
How much caffeine is in a can of Rockstar?
A 16 fl oz can of Rockstar Original has 160 mg. The Rockstar lines we checked range from 160 to 240 mg.
Which Rockstar has the most caffeine?
Rockstar Punched, 16 fl oz can, Rockstar Pure Zero, 16 fl oz can and Rockstar Pure Zero Fruit Punch, 16 fl oz can: 240 mg each.
How much caffeine is in Rockstar per fl oz?
10–15 mg per fl oz, worked out from each label's caffeine and the container's stated volume.
How many cans of Rockstar Original add up to 400 mg?
2.5 cans of the 16 fl oz size. The FDA cites 400 mg a day as an amount not generally linked to negative effects for most healthy adults.
Where does Rockstar's caffeine come from?
The labels print these caffeine sources: Caffeine; Guarana Seed Extract; Green Tea Extract; Yerba Mate Extract. Rockstar Punched, 16 fl oz can, Rockstar Pure Zero, 16 fl oz can, Rockstar Pure Zero Fruit Punch, 16 fl oz can, Rockstar Throwback Original O.G., 16 fl oz can, Rockstar Boom, 16 fl oz can, Rockstar Original, 16 fl oz can, Rockstar Punched Lime Freeze and Blackberry, 16 fl oz can and Rockstar Sugar Free, 16 fl oz can list more than one source with one total, and don't print how much comes from each.