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Does Mountain Dew Have Aspartame in It?

3 min read

According to ingredient labels, while the original, regular Mountain Dew is sweetened with high-fructose corn syrup, both Diet Mountain Dew and Mountain Dew Zero Sugar contain aspartame. This is a crucial distinction for anyone monitoring their intake of artificial sweeteners or trying to avoid them entirely.

Quick Summary

This article provides a detailed breakdown of the different Mountain Dew formulas, identifying which versions contain aspartame and listing the primary sweeteners used in each. It covers ingredient variations in regular, Diet, Zero Sugar, and other spin-off flavors to provide clarity for consumers.

Key Points

  • Diet and Zero Sugar Contain Aspartame: Both Diet Mountain Dew and Mountain Dew Zero Sugar list aspartame as an ingredient in their formulations.

  • Regular Mountain Dew is Aspartame-Free: The classic, full-calorie Mountain Dew is sweetened with high-fructose corn syrup and does not contain aspartame.

  • Sweetener Blends are Common: Diet and zero-calorie versions often use a blend of artificial sweeteners, including aspartame, sucralose, and acesulfame potassium.

  • Product Lines Differ : Ingredient lists can vary significantly across the different Mountain Dew product lines (Regular, Diet, Zero Sugar, Hard).

  • Check Product Labels: The most reliable method to verify a product's contents is by checking its specific ingredient label, as formulas can vary slightly by region.

  • History of Sweetener Changes: Diet Mountain Dew's sweetener formula has been updated over the years, with a major change occurring in 2006.

In This Article

Mountain Dew Sweeteners: A Detailed Breakdown

Many consumers are surprised to learn that not all Mountain Dew products are created equal when it comes to sweeteners. The inclusion of aspartame is primarily confined to its diet and zero-sugar varieties, while the traditional version relies on a different sugar substitute. The key to understanding is to check the specific product label, as the formula changes depending on the version and the market.

Which Mountain Dew Products Contain Aspartame?

As of recent product formulations, aspartame is a key ingredient in several Mountain Dew low-calorie and zero-sugar products. It is often used in combination with other artificial sweeteners to achieve a desired taste profile.

  • Diet Mountain Dew: This version explicitly lists aspartame among its ingredients, along with acesulfame potassium and sucralose. The combination of these sweeteners is designed to provide a taste similar to the regular version but with fewer calories. It's important to note that historically, the formula has changed; a "Tuned Up Taste" released in 2006 marked a shift from an aspartame-exclusive formula to a blend.
  • Mountain Dew Zero Sugar: Similar to Diet Mountain Dew, the Zero Sugar variant also includes aspartame. The ingredients list for this product confirms the presence of aspartame alongside acesulfame potassium and sucralose. The Zero Sugar line was introduced to coexist with the Diet version, giving consumers another zero-calorie option.
  • Diet Mountain Dew Spin-Offs: Limited-edition diet or zero-sugar flavors, such as Diet Code Red, often contain aspartame as part of their sweetener blend. Checking the ingredient label on any diet or zero-sugar spin-off is the best way to confirm its contents.

The Original Mountain Dew: What's Its Sweetener?

For those who wish to avoid aspartame, the classic Mountain Dew offers an alternative. The standard, full-calorie soda uses high-fructose corn syrup (HFCS) as its primary sweetener in the United States. Historically, PepsiCo has also offered limited-edition versions made with real sugar, though these have been discontinued at various points. This difference highlights a major distinction between the regular and diet product lines.

Sweetener Comparison: Regular vs. Zero Sugar

To better understand the differences, here is a comparison of the sweeteners and calorie counts in the most popular Mountain Dew versions.

Product Main Sweeteners Calorie Content (12 fl oz can) Contains Aspartame?
Mountain Dew (Regular) High-fructose corn syrup 170 calories No
Diet Mountain Dew Aspartame, Sucralose, Acesulfame Potassium 10 calories Yes
Mountain Dew Zero Sugar Aspartame, Sucralose, Acesulfame Potassium 0 calories Yes
Hard Mountain Dew Acesulfame Potassium, Sucralose 100 calories No

Does Any Mountain Dew Have No Aspartame or High-Fructose Corn Syrup?

Some versions of Mountain Dew cater to those who prefer alternative sweeteners. The Hard Mountain Dew line, for example, is sweetened with acesulfame potassium and sucralose and does not contain aspartame. Additionally, other soda brands offer products sweetened with natural alternatives like stevia, providing options for consumers looking to avoid both HFCS and artificial sweeteners like aspartame.

The History of Aspartame in Mountain Dew

The history of aspartame in Mountain Dew is linked to the evolution of diet sodas. When the sugar-free version was first introduced in 1976, it was exclusively sweetened with aspartame. However, this changed in 2006 when the formula was updated to include a blend of aspartame, sucralose, and acesulfame potassium, a practice that continues in most diet and zero-sugar versions today. This reformulation was part of a larger trend in the beverage industry to create more complex flavor profiles using multiple artificial sweeteners.

Conclusion: Which Mountain Dew Is Right for You?

Determining if a Mountain Dew product contains aspartame is as simple as checking the label for the specific version. Standard, full-calorie Mountain Dew uses high-fructose corn syrup, not aspartame. Conversely, Diet Mountain Dew and Mountain Dew Zero Sugar both use aspartame as part of a blended sweetener system to achieve their zero or low-calorie status. For those seeking a Mountain Dew without aspartame, the full-sugar original is the clear choice, while other versions like Hard Mountain Dew use different artificial sweeteners. Ultimately, reading the label is the most reliable way to make an informed decision based on your dietary preferences.

Frequently Asked Questions

No, regular, full-calorie Mountain Dew does not contain aspartame. It is sweetened with high-fructose corn syrup in most markets.

Yes, Diet Mountain Dew contains aspartame. It is one of several artificial sweeteners used to provide its low-calorie sweetness.

Yes, Mountain Dew Zero Sugar is formulated with a blend of artificial sweeteners, which includes aspartame.

Both Diet Mountain Dew and Zero Sugar use a similar blend of aspartame, sucralose, and acesulfame potassium. The taste difference is likely due to slightly varied proportions of these and other ingredients.

No, Hard Mountain Dew does not contain aspartame. It is sweetened with acesulfame potassium and sucralose.

No, Diet Mountain Dew uses a blend of sweeteners, including aspartame, sucralose, and acesulfame potassium, to create its flavor.

If you want to avoid aspartame, you should choose the regular, full-calorie Mountain Dew, as its primary sweetener is high-fructose corn syrup.

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Medical Disclaimer

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