- Caffeine Amount35 mg
- Caffeine strengthLOW
- Serving size
Diet Pepsi is a zero-calorie cola beverage from PepsiCo. It consistently remains in the top 10 soft drinks sold.
Diet Pepsi Flavors
All flavors have the same caffeine amount (except for caffeine-free).
- Diet Pepsi - 35 mg / 12 fl oz.
- Diet Pepsi Vanilla - 38 mg / 12 fl oz.
- Diet Pepsi Wild Cherry - 38 mg / 12 fl oz.
- Diet Pepsi Caffeine Free - 0 mg caffeine.
- Diet Pepsi Lime - 38 mg / 12 fl oz.
Diet Pepsi is artificially sweetened with aspartame and ace k. Pepsi replaced this with sucralose, however this was not popular, and the aspartame formulation was brought back.
Note that Diet Pepsi has a different formulation in the UK, Australia, New Zealand, and other markets and has a higher caffeine content there. It contains 42.6 mg per 12 ounce (355ml) can.
Where To Buy
Ingredients in Diet PepsiCarbonated Water, Caramel Color, Aspartame, Phosphoric Acid, Potassium Benzoate (preserves Freshness), Caffeine, Citric Acid, Natural Flavor, Acesulfame Potassium Phenylketonurics: Contains Phenylalanine.
Compared to Other Items
Diet Pepsi contains 2.92 mg of caffeine per fl oz (9.86 mg per 100 ml). A 12 fl oz can has a total of 35 mg of caffeine.
Total Caffeine (mg)
Other references. Last updated on 10 Mar 2021.
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