Diet Pepsi Caffeine Content

Diet Pepsi, the number one diet cola in the world, is a great-tasting, refreshing alternative to regular colas. Diet Pepsi features the great cola taste you expect from Pepsi, with a light crisp finish that makes it so appealing to many. And without all that sugar, you can feel good about choosing Diet Pepsi over the competition.

Does Diet Pepsi have caffeine?

Yes, Diet Pepsi contains 35mg of caffeine per 12 fl oz can and 2.92mg of caffeine per fl oz (9.86mg per 100ml).

Serving sizeCaffeine AmountCaffeine strength
100ml9.9 mgLOW
8 fl oz can23.3 mgLOW
12 fl oz can35 mgLOW
Diet Pepsi Caffeine information

How Much Caffeine is in Diet Pepsi?

  • Caffeine Amount: 35 mg
  • Caffeine strength: LOW
  • Calories: 0 kcal
  • Serving size: 12 fl oz can

Ingredients in Diet Pepsi

  • Carbonated Water
  • Caramel Color
  • Aspartame
  • Phosphoric Acid
  • Potassium Benzoate (preserves Freshness)
  • Caffeine
  • Citric Acid
  • Natural Flavor
  • Acesulfame Potassium Phenylketonurics: Contains Phenylalanine
Caffeine in Diet Pepsi Vanilla
Caffeine in Diet Pepsi Vanilla

Diet Pepsi was originally sweetened with Aspartame and Ace K. After people weren’t happy with it, it was changed to sucralose. However this change didn’t work out either, and the original formula was brought back.

Caffeine in Flavors of Diet Pepsi

Diet Pepsi offers a bold, crisp flavor. With zero sugar and zero calories, you can feel good while bringing your taste buds to new heights — again and again. All flavors of Diet Pepsi have the same caffeine level (except for Diet Pepsi Caffeine Free).

  • Diet Pepsi: 35 mg per 12 fl oz
  • Diet Pepsi Vanilla: 38 mg per 12 fl oz
  • Diet Pepsi Wild Cherry: 38 mg per 12 fl oz
  • Diet Pepsi Lime: 38 mg per 12 fl oz
  • Diet Pepsi Caffeine Free: 0 mg caffeine
Caffeine in a Diet Pepsi Lime
Caffeine in a Diet Pepsi Lime

Compare caffeine in Diet Pepsi Vs. other Pepsi Products

Pepsi VariationsCaffeine
Diet Pepsi35mg
Pepsi38mg
Pepsi Caffeine Free0mg
Pepsi Zero Sugar69mg
Pepsi Max42.6mg
Diet Wild Cherry Pepsi38mg

Diet Pepsi vs. Pepsi

Serving SizeCaffeine
Diet Pepsi12 fl oz36.7mg
Pepsi12 fl oz38.9mg

Diet Pepsi vs. Diet Coke

ComparisonServing SizeCaffeine
Diet Pepsi:12 fl oz36.7mg
Diet Coke:12 fl oz46mg

Diet Pepsi vs. Coffee

ComparisonServing SizeCaffeine
Diet Pepsi:12 fl oz36.7mg
Coffee:12 fl oz 95mg

Diet Pepsi vs. Pepsi Zero

ComparisonServing SizeCaffeine
Diet Pepsi:12 fl oz36.7mg
Pepsi Zero:12 fl oz69mg

Diet Pepsi vs. Arizona Diet Green Tea

ComparisonServing SizeCaffeine
Diet Pepsi:12 fl oz36.7mg
Arizona Diet Green Tea:12 fl oz15mg

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