Energy drinks

How much caffeine is in Red Bull Energy Drink?

The standard 250 ml can contains 80 mg; larger cans contain proportionally more. Check the can when selecting a different size.

How long might it remain?

Using the calculator’s five-hour half-life model, this serving would take approximately 8.4 hours to fall below 25 mg. This is a mathematical estimate, not a measurement of your body.

Source: Red Bull product information

Product formulations can change. Check the current package or menu for the serving you consumed.