Arby's Jamocha Shake

Caffeine Level
Serving Size
fl. oz cup
Caffeine Strength
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Arby's Jamocha Shake is a popular coffee and chocolate flavored milkshake that has been a dessert staple for the fast food restaurant for decades.

Despite the use of coffee flavoring, a Jamocha actually has very little caffeine.  This is because Arby's is using instant coffee powder and not concentrated brewed coffee in their Jamocha syrup.

Although the caffeine in Arby's Jamocha shake is low, the sugar and calorie content isn't.

With 61 grams of sugar it is like eating more than 2 Snickers candy bars at once.

Jamocha Shakes come in 3 sizes:

  • Small (12 fl.oz.)
  • Medium (16 fl.oz.) 
  • Large (22 fl.oz.)

The caffeine content will vary slightly by size. 


Ingredients in Arby's Jamocha Shake

Vanilla Shake Mix (whole milk, sugar, high
fructose corn syrup, nonfat milk, grade A sweet whey, cream,
natural & artificial vanilla flavor, mono and diglycerides,
cellulose gum, guar gum, carrageenan, dipotassium
phosphate, sodium citrate, sodium chloride, sodium
carbonate, annatto, caramel color), Jamocha Syrup (high
fructose corn syrup, water, corn syrup, instant coffee, cocoa
[processed with alkali], caramel color, salt, potassium sorbate
[preservative], citric acid, xanthan gum, polyglycerol esters
of fatty acids, artificial flavor). CONTAINS: MILK.

Sugar content: 61 grams (per 16 ounces).

Compare sugar levels of other drinks

Caffeine Comparisons

Arby's Jamocha Shake contains 0.72 mgs of caffeine per fluid ounce (2.45mg/100 ml).

Caffeine (mg) per Ounce
10090807060 5040302010 0 Arby's Jamocha Shake 5 Hour Energy Espresso Shot Spike Energy Drink
Total Caffeine (mg)
400360320280 24020016012080 400 Cup of Arby's Jamocha Shake Can of Coca-Cola Classic Bottle of Redline Energy Drink Can of Monster Energy Drink Can of Red Bull
Data Sources: and email from customer service.