Does Sierra Mist Have Caffeine?

Sierra Mist does not contain caffeine. This includes Sierra Mist and Zero Sugar Sierra Mist.

Most lemon-lime sodas are caffeine-free similar to Sierra Mist. Two examples of popular lemon-lime soda without caffeine are Sprite and 7Up.

Sierra Mist Caffeine Content

SodaCaffeine (mg)Caffeine(mg)/fl oz
Sierra Mist00
Sierra Mist Zero Sugar00

Sierra Mist Ingredients

The ingredients list of Sierra Mist would show caffeine as an added ingredient if the soda contained caffeine. The ingredients shown below for Sierra Mist and Zero Sugar Sierra Mist show no reference of caffiene:

Sierra Mist: Carbonated water, sugar, natural flavor, citric acid, potassium benzoate (preserves freshness), potassium citrate, calcium disodium EDTA (to protect flavor).

Sierra Mist Zero Sugar: Carbonated water, citric acid, natural flavor, potassium citrate, aspartame, potassium benzoate (preserves freshness), acesulfame potassium, ascorbic acid (to protect flavor), calcium disodium EDTA (to protect flavor).

Sierra Mist Caffeine vs Others

The table below provides the caffeine content of Sierra Mist and other beverages for comparison:

BeverageServing SizeCaffeine(mg)
Sierra Mist12 fl oz0
Sprite12 fl oz0
7Up12 fl oz0
Mountain Dew12 fl oz54
Coffee12 fl oz136*
*Source – USDA

Lemon-Lime Soda with Caffeine

There are not many lemon-lime soda options that have caffeine. If you are looking for sodas with caffeine, typically colas (i.e. Coke) and citrus-flavored (i.e. MTN Dew) sodas have caffeine. Mountain Dew Ice, however, is an example of a lemon-lime soda with caffeine. It has 54mg of caffeine per 12 fl oz.

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