Skip to content

Does CELSIUS Have Fake Sweeteners? An In-Depth Look at What’s Inside

4 min read

As the third-largest energy drink company in the US, CELSIUS is popular for being sugar-free, leading many to question if CELSIUS has fake sweeteners instead. This article investigates the specific sweeteners used across its different product lines, detailing which ingredients are artificial and which are plant-derived.

Quick Summary

CELSIUS uses various non-nutritive sweeteners, with its original formula containing sucralose, while a dedicated line is naturally sweetened with a blend of stevia and erythritol.

Key Points

  • Sucralose in Original/HEAT: The standard CELSIUS and HEAT energy drinks use the artificial sweetener sucralose, also known as Splenda.

  • Stevia and Erythritol Blend: The 'Sweetened with Stevia' product line uses a combination of stevia, a plant-derived sweetener, and erythritol, a sugar alcohol.

  • No Aspartame: CELSIUS does not contain aspartame in its products.

  • 'Naturally Sweetened' Caveat: The stevia line's 'natural' claim is debatable, as stevia undergoes processing and is blended with commercially produced erythritol.

  • Consumer Choice is Key: The decision of which CELSIUS product to consume depends on your personal preference regarding artificial vs. alternative sweeteners.

  • Non-Caloric Effect: Both sucralose and the stevia/erythritol blend provide a sweet taste without adding significant calories or raising blood sugar.

  • Potential Health Concerns: Some non-nutritive sweeteners have been linked to potential issues like gut bacteria disruption and GI upset in some individuals.

In This Article

The Sweeteners in CELSIUS Original and HEAT

For those who reach for the classic CELSIUS Original or the higher-caffeine CELSIUS HEAT drinks, the primary sweetener is sucralose. This is a calorie-free, artificial sweetener best known by the brand name Splenda. It's made by chemically modifying sucrose (table sugar), replacing some of the hydroxyl groups with chlorine atoms. The result is a compound that is significantly sweeter than sugar but is not metabolized for energy, and therefore, contains zero calories. For decades, the FDA has maintained that sucralose is safe for consumption, but ongoing research and health debates persist regarding its long-term effects.

The Sweeteners in CELSIUS Sweetened with Stevia

Recognizing a market for consumers seeking more 'natural' options, CELSIUS also offers a dedicated line of drinks called 'Sweetened with Stevia.' As the name suggests, this line replaces sucralose with a blend of stevia and erythritol.

Stevia: This is a plant-derived sweetener extracted from the leaves of the Stevia rebaudiana plant. While the source is natural, the process of extracting and purifying the sweet compounds, known as steviol glycosides, involves significant manufacturing steps. Stevia is calorie-free and does not raise blood sugar levels.

Erythritol: This ingredient is a sugar alcohol, often found in combination with stevia in sugar-free products. It is naturally present in some fruits but is typically produced commercially through the fermentation of glucose. Erythritol has very few calories and generally doesn't cause the same digestive distress as other sugar alcohols, although it can cause gastrointestinal upset in some individuals.

Comparison of Sweeteners: Sucralose vs. Stevia & Erythritol

To help you decide which CELSIUS product aligns best with your dietary preferences, here is a breakdown of the key differences between the two sweetener profiles.

Feature CELSIUS with Sucralose (Original/HEAT) CELSIUS Sweetened with Stevia Comparison Notes
Sweetener Type Artificial Natural (Stevia) & Sugar Alcohol (Erythritol) Sucralose is chemically created; stevia is plant-derived; erythritol is often fermented commercially.
Source Sucrose (table sugar) modified with chlorine Stevia plant leaves & fermented glucose One is synthetic, the other is a blend of plant-based and fermented ingredients.
Calories Zero Zero Both are calorie-free options.
Aftertaste Some users report a distinct artificial aftertaste Some users find stevia leaves a mild aftertaste Aftertaste is subjective and can vary by individual palate.
FDA Status Approved for general use since 1999 Generally Recognized as Safe (GRAS) Both sweeteners are approved by the FDA, though long-term health debates continue.

Diving Deeper: Understanding the Different Sweeteners

Consumers are often concerned about the difference between 'artificial' and 'natural' sweeteners, and the CELSIUS lineup offers a clear example of this contrast. While sucralose is undisputedly artificial, the 'Sweetened with Stevia' label can be misleading to some.

  • Sucralose (Original/HEAT): For many, the chemically altered nature of sucralose is a primary reason to avoid it, even with FDA approval. Concerns over long-term effects on gut health and metabolism are frequently discussed in the health community. A study linked sucralose to leukemia in animals, though the FDA has not changed its stance.
  • Stevia and Erythritol (Sweetened with Stevia line): This combination appeals to those who prioritize natural ingredients. Stevia has been used as a sweetener for centuries, and its plant origin gives it a 'healthier' perception. However, the inclusion of erythritol, a sugar alcohol produced through fermentation, means the blend isn't purely 'natural' in the sense of coming directly from a plant. The fermentation process is an industrial one. Also, some individuals experience bloating or gas from consuming sugar alcohols like erythritol.

The “Naturally Sweetened” Claim: Is it a Shortcut?

The use of the 'naturally sweetened' claim by CELSIUS for its stevia and erythritol line can be a point of confusion. While stevia is a natural extract, the combination with commercially produced erythritol and the multi-step purification process challenges a simple definition of 'natural'. Critics argue that the phrase can create a 'health halo,' making consumers feel better about their choice without fully understanding the manufacturing process. It's crucial for consumers to look past marketing claims and read the full ingredient list to understand what they are consuming.

The Health Debate Surrounding Non-Nutritive Sweeteners

Regardless of whether they are artificial or natural, the broader health debate around non-nutritive sweeteners is significant. Some studies suggest potential issues with gut bacteria disruption, increased appetite, and weight gain, as the body and brain don't receive the expected calories from a sweet taste. Other concerns include:

  • GI Upset: Excessive consumption of sugar alcohols like erythritol can cause digestive issues.
  • Insulin Response: Some findings suggest that artificial sweeteners can still trigger an insulin response, potentially affecting blood sugar regulation over time.
  • Caffeine Overload: It's important to remember that all CELSIUS products contain a significant amount of caffeine (typically 200mg), which can cause side effects like increased heart rate, anxiety, and jitters, especially when combined with other stimulants.

For a general overview of sweeteners, the FDA's website is a reliable source.

Conclusion: Making an Informed Choice

So, does CELSIUS have fake sweeteners? Yes, in its original and HEAT product lines, it uses the artificial sweetener sucralose. However, it also offers a separate line 'Sweetened with Stevia' which uses a blend of the plant-derived stevia and the sugar alcohol erythritol, a move that caters to consumers seeking alternatives to purely artificial options. The distinction is not between 'fake' and 'natural,' but rather between different types of non-nutritive sweeteners, each with its own origins and potential effects. Ultimately, the best choice depends on your personal health goals, sensitivities, and how you define 'natural' ingredients.

Frequently Asked Questions

Celsius uses different sweeteners depending on the product line. The original and HEAT formulas contain the artificial sweetener sucralose, while the 'Sweetened with Stevia' line uses a blend of stevia and erythritol.

Yes, Celsius Original and CELSIUS HEAT energy drinks contain sucralose, which is a calorie-free, artificial sweetener.

While stevia is plant-derived, the extract used in CELSIUS is processed and blended with erythritol, which is commercially fermented. Some consider this processing and blending to challenge a purely 'natural' definition.

Erythritol is a sugar alcohol used in the 'Sweetened with Stevia' line. It's generally safe for most, but excessive intake can cause gastrointestinal upset in some individuals.

Gastrointestinal issues can be caused by sugar alcohols like erythritol or by the effect of artificial sweeteners on gut bacteria. Individual sensitivities vary.

No, Celsius is specifically sweetened with non-nutritive sweeteners (sucralose, stevia, and erythritol) to keep its calorie and sugar content at zero or near-zero.

The CELSIUS 'Sweetened with Stevia' line is the closest option, using a blend of stevia and erythritol. While stevia is plant-based, the processing and use of erythritol mean it's not entirely free of commercially produced ingredients.

No, according to the company's FAQ and product information, Celsius drinks do not contain aspartame.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

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