Energy drinks · Red Bull
How much caffeine is in Red Bull?
An 8.4 fl oz can of Red Bull Energy Drink has 80 mg of caffeine, as Red Bull states it on its own US website.
Checked 28 Oct 2026 on redbull.com. Across the 11 Red Bull lines and sizes we checked: 80–198 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 20% of the FDA's 400 mg a day.
Every Red Bull 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 | |||||
|---|---|---|---|---|---|---|---|
Energy Drink20 fl oz can (591 mL)1 flavourOriginal | 198 mg | 9.9 | 50% | 2.0 cans | Moderate | Below research doseIn the research range400 mg or more88% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Sugarfree20 fl oz can (591 mL)1 flavourSugarfree (original flavor) | 198 mg | 9.9 | 50% | 2.0 cans | Moderate | Below research doseIn the research range400 mg or more88% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Energy Drink16 fl oz can (473 mL)1 flavourOriginal | 151 mg | 9.4 | 38% | 2.6 cans | Moderate | Below research doseIn the research range400 mg or more67% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Sugarfree16 fl oz can (473 mL)1 flavourSugarfree (original flavor) | 151 mg | 9.4 | 38% | 2.6 cans | Moderate | Below research doseIn the research range400 mg or more67% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Energy Drink12 fl oz can (355 mL)1 flavourOriginal | 114 mg | 9.5 | 28% | 3.5 cans | Moderate | Below research doseIn the research range400 mg or more51% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Sugarfree12 fl oz can (355 mL)1 flavourSugarfree (original flavor) | 114 mg | 9.5 | 28% | 3.5 cans | Moderate | Below research doseIn the research range400 mg or more51% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Editions8.4 fl oz can (250 mL)11 flavoursAmber Edition (Strawberry Apricot), Apple Edition (Fuji Apple & Ginger), Coconut Edition (Coconut Berry), Iced Edition (Iced Vanilla Berry), Peach Edition (White Peach), Pink Edition (Wild Berries), Red Edition (Watermelon), Sea Blue Edition (Juneberry), Summer Edition (Sudachi Lime), Winter Edition (Pistachio & Berries), Yellow Edition (Tropical) | 80 mg | 9.5 | 20% | 5.0 cans | Low | Below research doseIn the research range400 mg or more36% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Editions Sugarfree8.4 fl oz can (250 mL)5 flavoursIced Edition Sugarfree (Iced Vanilla Berry), Peach Edition Sugarfree (White Peach), Pink Edition Sugarfree (Wild Berries), Sea Blue Edition Sugarfree (Juneberry), Winter Edition Sugarfree (Pistachio & Berries) | 80 mg | 9.5 | 20% | 5.0 cans | Low | Below research doseIn the research range400 mg or more36% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Energy Drink8.4 fl oz can (250 mL)1 flavourOriginal | 80 mg | 9.5 | 20% | 5.0 cans | Low | Below research doseIn the research range400 mg or more36% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Sugarfree8.4 fl oz can (250 mL)1 flavourSugarfree (original flavor) | 80 mg | 9.5 | 20% | 5.0 cans | Low | Below research doseIn the research range400 mg or more36% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
Zero8.4 fl oz can (250 mL)1 flavourZero (original flavor) | 80 mg | 9.5 | 20% | 5.0 cans | Low | Below research doseIn the research range400 mg or more36% of your 225–450 mg range | redbull.comchecked 28 Oct 2026 |
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
- Red Bull Energy Drink, 20 fl oz can: total 198 mg · “One 20 fl oz can of Red Bull Energy Drink contains 198 mg of caffeine.”
- Red Bull Sugarfree, 20 fl oz can: total 198 mg · “One 20 fl oz can of Red Bull Sugarfree contains 198 mg of caffeine.”
- Red Bull Energy Drink, 16 fl oz can: total 151 mg · “One 16 fl oz can of Red Bull Energy Drink contains 151 mg of caffeine.”
- Red Bull Sugarfree, 16 fl oz can: total 151 mg · “One 16 fl oz can of Red Bull Sugarfree contains 151 mg of caffeine.”
- Red Bull Energy Drink, 12 fl oz can: total 114 mg · “One 12 fl oz can of Red Bull Energy Drink contains 114 mg of caffeine.”
- Red Bull Sugarfree, 12 fl oz can: total 114 mg · “One 12 fl oz can of Red Bull Sugarfree contains 114 mg of caffeine.”
- Red Bull Editions, 8.4 fl oz can: total 80 mg
- Red Bull Editions Sugarfree, 8.4 fl oz can: total 80 mg
- Red Bull Energy Drink, 8.4 fl oz can: total 80 mg
- Red Bull Sugarfree, 8.4 fl oz can: total 80 mg
- Red Bull Zero, 8.4 fl oz can: total 80 mg · “Each 8.4 fl oz can of Red Bull Zero contains 80 mg of caffeine. | Nutrition table: "Caffeine 80 mg" (per 8.4 fl oz)”
Compared with pre-workouts
Pre-workouts with 55–105 mg of caffeine in one serving, within 25 mg of Red Bull Energy Drink, 8.4 fl oz can, in our ranking by dose.
- Apollon Nutrition Assassin 100 mg per serving
- Jocko Fuel Go Pre-Workout 95 mg per serving
- Performance Lab Pre Lab Pro 80 mg per serving
- Thorne Pre-Workout Elite 70 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.
Red Bull Energy Drink, 20 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Sugarfree, 20 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Energy Drink, 16 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Sugarfree, 16 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Energy Drink, 12 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Sugarfree, 12 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Editions, 8.4 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Editions Sugarfree, 8.4 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Energy Drink, 8.4 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Sugarfree, 8.4 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Red Bull Zero, 8.4 fl oz can (caffeine only)
The brand's page gives the caffeine for this line, and we didn't find its full facts panel there.
Sold with Nutrition Facts (a beverage).
Questions
How much caffeine is in a can of Red Bull?
An 8.4 fl oz can of Red Bull Energy Drink has 80 mg. The Red Bull lines we checked range from 80 to 198 mg.
Which Red Bull has the most caffeine?
Red Bull Energy Drink, 20 fl oz can and Red Bull Sugarfree, 20 fl oz can: 198 mg each.
How much caffeine is in Red Bull per fl oz?
9.4–9.9 mg per fl oz, worked out from each label's caffeine and the container's stated volume.
How many cans of Red Bull Energy Drink add up to 400 mg?
5.0 cans of the 8.4 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 Red Bull's caffeine come from?
The labels print this caffeine source: Caffeine.