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Does root beer have as much caffeine as coke? A surprising nutritional comparison

3 min read

While most root beer brands are completely caffeine-free, the answer to the question, 'Does root beer have as much caffeine as coke?' is a surprising 'no' even for the caffeinated exceptions. A 12-ounce serving of regular Coca-Cola contains 34 mg of caffeine, whereas the same serving size of the caffeinated Barq's root beer has just 22 mg. This difference, combined with other nutritional factors, is key for anyone watching their intake.

Quick Summary

Most root beer brands contain no caffeine, making them a low-caffeine alternative to cola. While Barq's does include caffeine, it is still at a lower concentration than a standard Coke, though both beverages share other nutritional considerations like high sugar content or artificial sweeteners.

Key Points

  • Caffeine-Free Majority: Most root beer brands, including A&W and Mug, contain no caffeine.

  • Barq's is an Exception: Regular Barq's root beer contains 22 mg of caffeine per 12-ounce can, though this is still less than Coke.

  • Coke Contains More Caffeine: A 12-ounce can of regular Coca-Cola has 34 mg of caffeine, making it higher than the caffeinated root beer options.

  • Diet Coke Tops Regular Coke: Diet Coke contains 46 mg of caffeine per 12-ounce serving, which is more than its regular version and Barq's root beer.

  • Focus Beyond Caffeine: The primary nutritional concerns for both soft drink types are high sugar content or controversial artificial sweeteners, and their high acidity which harms dental health.

  • Moderation is Key: Neither root beer nor coke offers significant nutritional value, and both should be consumed in moderation as part of a balanced diet.

  • Healthy Alternatives: Water, milk, and unsweetened teas are recommended healthier alternatives to soda.

In This Article

The Surprising Truth About Soda Caffeine

Many people assume that because root beer is a type of dark soda, it must contain a similar amount of caffeine to cola. However, this is largely a misconception, with one major and well-known exception. Traditionally, root beer was brewed from the roots and barks of plants and did not contain caffeine. This tradition has carried over, and a majority of brands on the market, such as A&W and Mug, continue to be caffeine-free.

In contrast, cola beverages like Coca-Cola get their caffeine from the kola nut used in their flavorings. Colas have always been known for their stimulating effects, with caffeine being a standard and expected ingredient. The specific caffeine levels can vary not only between brands but also between different versions of the same product, such as regular versus diet options.

Unpacking the Nutritional Differences

Beyond the caffeine content, the nutritional profiles of root beer and coke present different considerations for a balanced diet. Both conventional sodas are loaded with sugar, providing significant empty calories. For instance, a single 12-ounce can of regular Coca-Cola contains around 39 grams of sugar. For individuals managing their sugar intake or aiming for weight loss, this is a substantial amount. The high acidity found in both beverages also poses a threat to dental health, as it can contribute to the erosion of tooth enamel over time.

Diet versions offer an alternative, replacing sugar with artificial sweeteners. While this eliminates calories and sugar, the health effects of artificial sweeteners remain a subject of ongoing debate. Some studies suggest a link between diet sodas and certain health outcomes, including weight gain and an altered gut microbiome, while others show no such association. Ultimately, both traditional and diet versions lack meaningful nutritional value, such as vitamins, minerals, or fiber.

Here is a comparison of common nutritional facts for a 12 fl oz serving of popular sodas:

Beverage Caffeine (mg) Sugar (g) Calories
Regular Coca-Cola 34 39 140
Diet Coke 46 0 0
Barq's Root Beer 22 46 170
A&W Root Beer 0 45 170

Making Healthier Choices

For those looking to reduce their caffeine intake, the clear winner is most root beer brands. However, neither soda should be considered a healthy beverage. Moderation is key, and substituting these drinks with healthier options is advisable. Healthy alternatives include:

  • Water (plain or fruit-infused) for superior hydration.
  • Unsweetened black or herbal tea for flavor and antioxidants, though black tea contains caffeine.
  • Low-fat milk for essential nutrients like calcium and protein.
  • Sparkling water with a splash of juice for a fizzy, lower-sugar option.

Considerations for Specific Diets

If you are on a restricted diet, have a health condition, or are sensitive to caffeine, understanding these differences is crucial. Individuals with high blood pressure, for example, might be advised to limit caffeine consumption, making even caffeinated root beer a lesser risk than cola, though the caffeine-free versions are the safest option. For those concerned about sugar, diet alternatives exist, but a full assessment of artificial sweeteners' effects on your personal health is recommended. As with any dietary choice, understanding the full picture allows for more informed and beneficial decisions.

Conclusion

In conclusion, the claim that root beer has as much caffeine as coke is definitively false, as most root beer brands contain no caffeine whatsoever. Even the most notable caffeinated exception, Barq's, has a significantly lower caffeine content than both regular and diet Coke. When considering these beverages within a nutrition diet framework, however, the low caffeine content of root beer does not automatically make it a healthy alternative. Both beverages, in their traditional forms, are high in sugar and acidity, while their diet versions introduce artificial sweeteners with their own set of health considerations. The best choice for overall health remains low-sugar, low-caffeine drinks like water, tea, or milk. For more information on the safety of artificial sweeteners, consult authoritative resources like the Food and Drug Administration or peer-reviewed studies.


Center for Science in the Public Interest

For additional nutritional information and caffeine data, the Center for Science in the Public Interest provides an informative chart that compares various beverages.

Frequently Asked Questions

No, regular Barq's root beer contains caffeine, with about 22 mg per 12-ounce can. However, some diet versions and fountain drinks may be caffeine-free, so it is important to check the label.

Coffee has significantly more caffeine than any root beer. An average cup of coffee contains 95–200 mg of caffeine, compared to the 22 mg in a 12-ounce Barq's.

While most root beer is caffeine-free, it is not necessarily a healthier alternative. Both regular versions contain high amounts of sugar, and diet versions use artificial sweeteners, offering minimal nutritional value.

No, caffeine content varies among cola brands and versions. For example, Diet Coke (46 mg) has more caffeine per 12 oz than regular Coca-Cola (34 mg), and Pepsi has 35-38 mg.

Popular root beer brands that are caffeine-free include A&W, Mug, and Stewart's. A&W has proudly advertised its product as caffeine-free for many years.

Regular soda consumption is primarily a concern due to high sugar content, which contributes to empty calories and potential weight gain. The high acidity of soda, including diet versions, can also erode tooth enamel.

It depends on the brand. In the case of Coca-Cola, Diet Coke has more caffeine (46 mg per 12 oz) than the regular version (34 mg per 12 oz).

References

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Medical Disclaimer

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