Caffeine Level
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A Slurpee is a popular frozen drink available at 7-Eleven convienance stores. 

Some Slurpee Flavors have caffeine and other's don't. In general, if the soda flavor they are replicating has caffeine, so will the Slurpee variety.

Above is the caffeine content of a Mountain Dew flavored Slurpee.

Caffeine Content of Other Slurpee Flavors

Flavor Caffeine per 16 floz
Cheerwine 34 mg
Vernors 0 mg
Big Red ? mg
Coca Cola 30 mg
Dr. Pepper ? mg
Squirt 0 mg
All Fanta Flavors 0 mg
Hawaiian Punch 0 mg
Dragon Fruit 0 mg
Ginger Ale Flavors 0 mg
Mountain Dew Flavors 40 mg
Pepsi 28 mg
Mountain Dew Kickstart 52 mg

Not all flavors are available at all locations and some flavors are only regional. 

The flavors with ? mg have caffeine listed in the ingredients but the amount is unknown. 

Ingredients in Slurpee

Treated water, high fructose corn syrup, orange juice from concentrated, natural flavors, citric acid, quillaia extract, sodium benzoate (preserves freshness), caffeine, sodium citrate, erythorbic acid, calcium sodium edta (to protect flavor), Yellow 5, gum arabic, brominated vegetable oil.

Sugar content: 50 grams (per 16 ounces).

Compare sugar levels of other drinks

Similar Items

Pepsi Slurpee 14mg

Caffeine Comparisons

Slurpee contains 2.50 mgs of caffeine per fluid ounce (8.45mg/100 ml).

Caffeine (mg) per Ounce
10090807060 5040302010 0 Slurpee 5 Hour Energy Espresso Shot Spike Energy Drink
Total Caffeine (mg)
400360320280 24020016012080 400 Cup of Slurpee Can of Coca-Cola Classic Bottle of Redline Energy Drink Can of Monster Energy Drink Can of Red Bull