Nutrition Diet: Does bark soda have caffeine? What you need to know

October 26, 2025 •

3 min read

While most root beer varieties are naturally caffeine-free, the well-known Barq's Root Beer is a notable exception, containing 22 mg of caffeine per 12-ounce can. This fact is crucial for anyone monitoring their intake, sparking the question: does bark soda have caffeine?

Quick Summary

Barq's Root Beer contains 22 mg of caffeine per 12-ounce can, a key differentiator from most other root beer brands, which are typically caffeine-free. The diet or zero-sugar version of Barq's contains no caffeine, offering an alternative for those managing their intake.

Key Points

Barq's is a unique caffeinated root beer: Unlike most root beer brands, regular Barq's includes caffeine, a distinguishing feature of its original formula.
Regular Barq's contains 22 mg of caffeine: A 12-ounce can of Barq's contains a moderate amount of caffeine, less than coffee but still a relevant factor for monitoring daily intake.
Barq's offers caffeine-free options: Barq's Zero Sugar (formerly Diet Barq's) is completely caffeine-free, and fountain drinks from Coca-Cola Freestyle machines also lack caffeine.
Sugary soda has health implications: Beyond caffeine, the high sugar content in regular Barq's (and many other sodas) is a major nutritional concern for weight management and metabolic health.
Healthier alternatives exist for a balanced diet: Water, herbal tea, and caffeine-free sodas are better choices for a nutritional diet, especially for those sensitive to caffeine or trying to reduce sugar.
Read nutrition labels carefully: To make informed decisions, it's essential to check the ingredient list and nutritional facts of any beverage, as variations in caffeine and sugar content can be significant across brands.

Does Bark Soda (Barq's) Have Caffeine?

The search results confirm that the brand widely recognized as "bark soda"—Barq's Root Beer—does contain caffeine, which is uncommon for root beer. Regular Barq's contains approximately 22 mg of caffeine per 12-ounce can. This is significantly less than a standard cup of coffee (which can range from 95 to 200 mg), but it is a vital detail for those monitoring their caffeine consumption for a healthy diet. The brand's slogan, "Barq's has bite!" famously alludes to its distinct spice and caffeine kick, setting it apart from its competitors. However, it's important to note that not all Barq's products are caffeinated; the Zero Sugar (formerly Diet) version is caffeine-free, as is the Barq's dispensed from Coca-Cola Freestyle machines.

The Nutritional Context of Caffeinated Soda

While caffeine content is a central concern, it's crucial to examine the broader nutritional profile of beverages like Barq's within the context of a healthy diet. A 12-ounce can of regular Barq's contains 44 grams of total sugars and 180 calories, primarily from high-fructose corn syrup. Excessive consumption of sugary drinks has been linked to numerous health issues. The American Medical Association emphasizes that while moderate caffeine intake is generally safe for most adults, high sugar content in sodas can lead to weight gain, an increased risk of type 2 diabetes, and dental erosion due to high acidity.

Health Implications for Your Diet

For those sensitive to caffeine, or for those who simply wish to moderate their intake, the caffeine in Barq's can be a concern. Side effects from excessive caffeine can include restlessness, insomnia, headaches, and increased heart rate. For a nutritional diet, the focus should extend beyond just caffeine to the overall impact of sugary beverages. High sugar intake can cause energy crashes, negatively affect metabolic health, and displace healthier, more nutrient-dense beverage options like water or herbal tea.

Comparing Barq's to Other Popular Beverages

To put Barq's caffeine and sugar content into perspective, a comparison with other common drinks is helpful.


Beverage (12 oz)	Caffeine (mg)	Sugar (g)	Calories
Barq's Root Beer	22	44	180
Coca-Cola	34	39	140
Diet Coke	46	0	0
Mountain Dew	54	46	170
Coffee (8 oz brewed)	95–200	0	~2
A&W Root Beer	0	46	180
Water	0	0	0

Choosing Healthier Alternatives

If you are aiming to reduce your sugar and caffeine intake, a good nutrition diet involves being mindful of your beverage choices. Here are some alternatives to consider:

Caffeine-Free Root Beer: Several brands, including A&W and Mug, offer the root beer flavor without the caffeine kick. If you enjoy the specific taste of Barq's, their Zero Sugar version is caffeine-free.
Water: The best option for hydration and overall health. Adding fruit slices, cucumber, or mint can enhance the flavor without adding sugar or caffeine.
Herbal Tea: Many herbal teas are naturally caffeine-free and can offer a variety of flavors and potential health benefits.
Infused Water: Creating your own fruit-infused water is a simple and refreshing way to stay hydrated and avoid unnecessary sugar.
Sparkling Water: For those who enjoy a fizzy texture, unflavored sparkling water is a zero-calorie, zero-sugar option. Check labels for added sugars in flavored versions.

Conclusion: Making Informed Beverage Decisions

In summary, yes, regular Barq's root beer contains caffeine, unlike most root beers. While the caffeine level is relatively low compared to coffee, the high sugar and calorie content are significant nutritional factors to consider. For individuals concerned about caffeine intake or those following a balanced diet, Barq's Zero Sugar and other caffeine-free options offer a suitable alternative. As with any treat, moderation is key. By understanding the contents of the beverages you consume, you can make smarter choices that align with your overall health and wellness goals.

For more information on caffeine and its effects, consult with a healthcare professional or review resources like the Mayo Clinic's guide on caffeine consumption.

This article is for informational purposes only and does not constitute medical advice. Please consult with a healthcare professional for personalized dietary recommendations.

Mayo Clinic: Caffeine: How much is too much?

Frequently Asked Questions

No, most root beer brands sold in North America, such as A&W and Mug, are naturally caffeine-free. Barq's is the most notable exception that adds caffeine to its regular formula.

A standard 12-ounce can of regular Barq's Root Beer contains 22 mg of caffeine.

No, Diet Barq's (now called Barq's Zero Sugar) is completely caffeine-free.

No, Barq's served from Coca-Cola Freestyle machines is caffeine-free. The system uses a single caffeine-free base for both regular and Diet Barq's.

Beyond the caffeine, which can cause jitters and insomnia in sensitive individuals, the high sugar and calorie content can contribute to weight gain, metabolic issues, and dental problems.

Good alternatives include water (plain or infused with fruit), herbal teas, and other caffeine-free soft drink brands like Sprite, 7-Up, and A&W Root Beer.

The inclusion of caffeine is part of Barq's unique formula, giving it the signature 'bite' that distinguishes it from other brands. It was a deliberate choice by the manufacturer.