Written through Rachael Link, MS, RD on October 10, 2019 — median reviewed through Adda Bjarnadottir, MS, RDN (Ice)

Root beer is a rich and also creamy soft drink generally consumed throughout phibìc America.

You are watching: Is mug root beer caffeine free

While most people know that other varieties of soda often contain caffeine, many are unsure around the caffeine content of source beer.

This can be especially problematic if you trying come limit her intake that caffeine or get rid of it from your diet.

This write-up investigates whether there is caffeine in source beer and provides some straightforward ways to check.

Share on Pinterest
In general, most brands of root beer sold in phibìc America room caffeine-free.

Although the ingredients deserve to vary based on the specific brand and product, most types of this renowned beverage save on computer carbonated water, sugar, food coloring, and also artificial flavors.

However, very couple of brands contain added caffeine.

Here are a couple of popular brands of source beer that don’t save caffeine:

A&W source BeerDiet A&W root BeerMug source BeerDiet Mug root BeerDad’s source BeerDiet Dad’s source BeerBarq’s Diet root BeerSummary

Most well-known brands of source beer sold in phibìc America space caffeine-free.

Some varieties may save caffeine

Although source beer is typically caffeine-free, some varieties might contain a little amount.

In particular, the brand Barq’s is significant for its caffeine content.

The regular variety contains around 22 mg in every 12-ounce (355-ml) can. However, the diet version includes none (1).

For reference, a typical 8-ounce (240-ml) cup the coffee contains around 96 mg of caffeine, which is about 4 times the amount in a can of Barq’s (2).

Other caffeinated beverages, together as green or black color tea, room also higher in caffeine, often containing 28–48 mg every cup (240 ml) (3, 4).


Some details brands may contain caffeine. Because that example, regular Barq’s source beer contains 22 mg in every 12-ounce (355-ml) serving.

How to check for caffeine

Foods that contain caffeine naturally, such as coffee, tea, and chocolate, may not perform it directly on the label (5).

However, foods that contain included caffeine, including specific varieties of source beer, are required to perform it ~ above the ingredient label.

Keep in mind the the Food and Drug administration (FDA) go not need manufacturers come disclose the exact amount of added caffeine in food products (6).

Therefore, the best way to determine specifically how much a specific product includes is to check the product’s website or reach the end to the manufacturer directly.


Foods and beverages with added caffeine are compelled to list it on the ingredient label. To determine the precise amount a product has, inspect the brand’s website or reach out to the manufacturer.

The bottom line

Most ranges of root beer marketed in phibìc America are caffeine-free.

However, particular brands, such together Barq’s, might contain a small amount of included caffeine in each serving.

See more: 2005 Hyundai Santa Fe Blower Motor Resistor Location, 2005 Hyundai Santa Fe Blower Motor Resistor

If you trying to minimize your caffeine entry or cut it out completely, be sure to inspect the ingredient brand of your beverages carefully to recognize if lock contain added caffeine.

last medically reviewed on October 10, 2019


Written through Rachael Link, MS, RD ~ above October 10, 2019 — median reviewed through Adda Bjarnadottir, MS, RDN (Ice)

Read this next

AboutCareersAdvertise through us