Soft drinks
How much caffeine is in Pepsi Zero Sugar?
63 mgListed amount per 20 fl oz / 591 ml (US)
The current US 20 fl oz bottle lists 63 mg. Smaller cans and recipes sold in other markets can differ.
How long might it remain?
Using the calculator’s five-hour half-life model, this serving would take approximately 6.7 hours to fall below 25 mg. This is a mathematical estimate, not a measurement of your body.
Product formulations can change. Check the current package or menu for the serving you consumed.
Calculate with 63 mg