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How much caffeine does a 12 oz can of Barq's root beer have?

3 min read

A standard 12 oz can of regular Barq's root beer contains exactly 22 mg of caffeine. This key ingredient is what gives the soda its unique "bite" and sets it apart from many other popular root beer brands, most of which are completely caffeine-free.

Quick Summary

A 12 oz can of regular Barq's root beer contains 22 mg of added caffeine, a unique feature among popular root beer brands. The diet and Coca-Cola Freestyle versions are caffeine-free.

Key Points

  • Caffeine Content: A 12 oz can of regular Barq's root beer contains 22 mg of caffeine.

  • Unique Trait: This is a key differentiator, as most other major root beer brands are caffeine-free, including A&W and Mug.

  • Caffeine-Free Options: Diet Barq's, Zero Sugar Barq's, and fountain versions from Coca-Cola Freestyle machines contain no caffeine.

  • Lower than Cola: Barq's caffeine level is lower than a typical 12 oz can of cola, which has around 34 mg.

  • The Bite: The added caffeine contributes to Barq's signature "bite" and distinctive flavor profile.

  • Daily Intake: The 22 mg is a modest amount and well below the FDA's recommended 400 mg daily limit for healthy adults.

In This Article

The Unique Case of Barq's Root Beer

When people reach for a root beer, they often assume it is a caffeine-free alternative to cola or other caffeinated soft drinks. For most brands, this assumption is correct, but Barq's is the notable exception. The 22 mg of caffeine per 12 oz can is an intentionally added ingredient, not a naturally occurring compound from the traditional root beer recipe. This added stimulant gives the soda a distinctive edge, famously promoted with the slogan "Barq's has bite!". The presence of caffeine is a defining characteristic that helps Barq's maintain its unique flavor profile and market position. While the amount is relatively low compared to other caffeinated beverages, it is a crucial detail for consumers who are managing their caffeine intake for health, dietary, or personal reasons.

Caffeine-Free Alternatives from Barq's

For those who enjoy the flavor of Barq's but wish to avoid caffeine, the brand offers several alternatives. It is important to know which products contain the stimulant and which do not. This helps consumers make informed choices based on their needs.

Barq's Caffeine-Free Product Options

  • Diet Barq's Root Beer: The diet version of Barq's is explicitly formulated to be caffeine-free.
  • Barq's Zero Sugar Root Beer: The updated, zero-sugar version is also completely caffeine-free.
  • Coca-Cola Freestyle Machines: Barq's root beer served from these machines is manufactured differently and does not contain caffeine.
  • Regional Variations: Some markets, such as Utah, sometimes sell a locally bottled, caffeine-free version of regular Barq's root beer to cater to local preferences.

How Barq's Caffeine Compares to Other Beverages

Understanding the 22 mg of caffeine in Barq's is easier when comparing it to other common drinks. The amount is modest, but it is not insignificant, especially when contrasted with typical root beers that contain zero caffeine. Here is a comparison of the caffeine content in a 12 oz serving of various beverages.

Beverage Caffeine Content (per 12 fl oz)
Barq's Root Beer 22 mg
Coca-Cola (Regular) 34 mg
Dr Pepper 41 mg
Mountain Dew 54 mg
Coffee (8 oz cup) ~95–200 mg
A&W Root Beer 0 mg
Mug Root Beer 0 mg

This table illustrates that while Barq's contains caffeine, the level is lower than most colas and significantly less than a standard cup of coffee. It provides a small boost, but not the powerful kick associated with energy drinks or espresso.

The Story Behind the Bite

Root beer does not naturally contain caffeine. Historically, it was brewed from roots and herbs like sassafras, which were naturally caffeine-free. The addition of caffeine to Barq's is a modern manufacturing choice. First bottled in 1898, Barq's likely added caffeine to differentiate itself from competitors like Hires Root Beer. At a time when sassafras was banned for safety reasons, forcing many root beer recipes to change, Barq's made a deliberate decision to include caffeine as part of its signature formula. This legacy continues today, cementing Barq's status as the major national brand of root beer with a caffeinated kick.

Health Considerations and Daily Intake

For most healthy adults, 22 mg of caffeine is a small amount that fits easily within the recommended daily intake. The Food and Drug Administration (FDA) suggests a daily limit of 400 mg of caffeine for adults, meaning a person could consume several cans of Barq's without exceeding this guideline. However, for individuals who are sensitive to caffeine, or for parents monitoring their children's intake, this detail is very important. Caffeine sensitivity can cause jitters, anxiety, or sleep disturbances, so knowing a seemingly innocent root beer contains the stimulant is critical for making responsible dietary choices. The availability of caffeine-free versions of Barq's is a helpful feature for these consumers.

Conclusion: Barq's Stands Apart

In conclusion, a 12 oz can of regular Barq's root beer contains 22 mg of caffeine, a fact that distinguishes it from most other root beer brands. While the level is moderate, it's an important detail for consumers to be aware of, especially those with caffeine sensitivities or those seeking a caffeine-free beverage. Barq's offers caffeine-free alternatives in its diet and zero-sugar varieties, and also from Coca-Cola Freestyle machines. This information allows consumers to make informed decisions about their soft drink choices while still enjoying Barq's distinctive flavor profile. Source: Coca-Cola US

Frequently Asked Questions

No, most popular root beer brands, including A&W, Mug, and IBC, are completely caffeine-free. Barq's is one of the few national brands that includes caffeine.

No, Diet Barq's and Barq's Zero Sugar are both specifically formulated to be caffeine-free. If you are seeking a caffeine-free option from the brand, these are safe choices.

The caffeine is an intentionally added ingredient, likely to help distinguish its flavor and give it a unique "bite" compared to competitors. It was a marketing strategy from the brand's early days.

An 8 oz cup of black coffee contains significantly more caffeine (95-200 mg) than a 12 oz can of Barq's root beer (22 mg). The amount in Barq's is quite modest by comparison.

Barq's root beer dispensed from Coca-Cola Freestyle machines is caffeine-free. The system uses the same ingredient concentration for both regular and diet versions, with sweetener being the only difference.

A typical 12 oz can of cola (like Coke or Pepsi) generally contains slightly more caffeine (around 34-38 mg) than a 12 oz can of Barq's (22 mg).

For most people, 22 mg of caffeine is not a significant amount. It falls well below the FDA's recommended daily limit of 400 mg for healthy adults. However, it can still affect individuals who are sensitive to caffeine.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.