Homemade Kombucha
Fizzy, a gentler caffeine lift and black tea in it. 30 min to make.
How much sugar and caffeine is in a Red Bull?
An 8.4 fl oz can of Red Bull has 26 g of sugar (about 6½ teaspoons) and 80 mg of caffeine. That is over the American Heart Association's daily added-sugar limit for women (25 g) and 72% of the limit for men (36 g). A 12 fl oz can: 39 g sugar, 114 mg caffeine. Source: redbull.com and fdc.nal.usda.gov, checked 13 November 2026.
Red Bull Energy Drink by size
What that looks like in teaspoons
One cube is one teaspoon, or 4 g of sugar.
8.4 fl oz can26 g = 6½ tsp
12 fl oz can39 g = 9¾ tsp
Check your own day.
Set how many Red Bull you drink and see the week, the month and the year. Change the drink to compare.
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mg caffeine a day
| Measure | Day | Week | 30 days | Year |
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Swap it.
Drinks you can make at home that keep what you reach for Red Bull Energy Drink for.
Iced Tea From Tea Bags
A gentler caffeine lift and black tea in it. 10 min to make.
Arnold Palmer Drink
A gentler caffeine lift and black tea in it. 15 min to make.
Questions about Red Bull.
How much sugar is in a Red Bull?
An 8.4 fl oz can has 26 g of sugar. At 4 g per teaspoon that is about 6½ teaspoons. A 12 fl oz can has 39 g.
How much caffeine is in a Red Bull?
An 8.4 fl oz can has 80 mg of caffeine. A 12 fl oz can has 114 mg. For comparison, the FDA cites 400 mg a day as an amount not generally associated with negative effects for most healthy adults.
How much sugar is that in a year at one 8.4 fl oz can a day?
9.5 kg of sugar, about 2,373 teaspoons, across 365 cans. The Swap Lab checker above works it out for your own number of drinks per day or week.
How does Red Bull compare with the daily sugar limits?
That is over the American Heart Association's daily added-sugar limit for women (25 g) and 72% of the limit for men (36 g).
What can I drink instead of Red Bull?
Try Homemade Kombucha, Iced Tea From Tea Bags or Arnold Palmer Drink. Each is a short recipe on this site that keeps what you like about Red Bull: cold, and with a lift if you want one.
Read next
Check another drink
Where the numbers come from.
Every figure is from the maker's own US nutrition page or label, or from the USDA's FoodData Central database, checked 13 November 2026. Recipes and formulas change, so the label on your can has the final word.
- Teaspoons: 4 g of sugar counts as 1 teaspoon (MedlinePlus).
- Sugar limits: the American Heart Association suggests no more than 25 g of added sugar a day for women and 36 g for men (heart.org).
- Caffeine: the FDA cites 400 mg a day as an amount not generally associated with negative effects for most healthy adults (fda.gov).
- Red Bull Energy Drink, 8.4 fl oz can: sugar from redbull.com, caffeine from redbull.com.
- Red Bull Energy Drink, 12 fl oz can: sugar from fdc.nal.usda.gov, caffeine from redbull.com.
FizzFree is a habit tracker and not medical advice. If you have a health condition or take medication, talk to your doctor before changing what you drink. Red Bull Energy Drink is a trademark of its owner; FizzFree is not connected to it.