Acesulfame Potassium (Ace-K) vs Aspartame — Which Is Worse?

FactorAcesulfame Potassium (Ace-K)Aspartame
E-NumberE950E951
CategorySweetenerSweetener
SeverityModerate Risk (6/10)Moderate Risk (6/10)
FDA StatusFDA-approved in 1988 for specific uses and as a general-purpose sweetener in 2003. ADI: 15 mg/kg body weight/day. FDA re…FDA-approved since 1981 (dry foods) and 1983 (beverages). Classified as GRAS-equivalent. FDA's ADI is 50 mg/kg body weig…
EFSA StatusEFSA re-evaluated in 2000 and maintained approval with an ADI of 9 mg/kg body weight/day. EFSA concluded that Ace-K is n…EFSA completed a comprehensive risk assessment in 2013, confirming safety at the ADI of 40 mg/kg body weight/day. In Jul…
Banned In——
Products Found486300

Key Differences

Health Concerns Comparison

Acesulfame Potassium (Ace-K)

Aspartame

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Which Products Use Each?

486
products contain Acesulfame Potassium (Ace-K)
300
products contain Aspartame

⚖️ The Verdict

Both Acesulfame Potassium (Ace-K) and Aspartame have the same severity score (6/10). Neither is clearly worse than the other based on current data.

Both ingredients should be consumed mindfully. Use CheckIt AI to scan products and avoid whichever ones concern you most.

Frequently Asked Questions

Is Acesulfame Potassium (Ace-K) or Aspartame worse?
Both Acesulfame Potassium (Ace-K) and Aspartame have the same severity score (6/10). Neither is clearly worse based on available data.
What is the difference between Acesulfame Potassium (Ace-K) and Aspartame?
Both are sweeteners. Acesulfame Potassium (Ace-K) has a severity of 6/10 and is found in 486 products. Aspartame has a severity of 6/10 and is found in 300 products.
Are Acesulfame Potassium (Ace-K) and Aspartame banned?
Acesulfame Potassium (Ace-K) is not currently banned in any major market. Aspartame is not currently banned in any major market.
How can I avoid both Acesulfame Potassium (Ace-K) and Aspartame?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag both Acesulfame Potassium (Ace-K) and Aspartame and suggest safer alternatives.
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Related Pages

Related Comparisons

Aspartame vs SucraloseAspartame vs High Fructose Corn SyrupAspartame vs ErythritolAspartame vs MaltodextrinSucralose vs Acesulfame Potassium (Ace-K)High Fructose Corn Syrup vs Acesulfame Potassium (Ace-K)Acesulfame Potassium (Ace-K) vs ErythritolAcesulfame Potassium (Ace-K) vs MaltodextrinRed 40 (Allura Red AC) vs Aspartame
Acesulfame Potassium (Ace-K) Deep Dive Aspartame Deep Dive All 180 Comparisons All Ingredients Ingredients Banned in Europe Scoring Methodology

⚕️ This comparison is for educational purposes only. It is not medical advice. Consult a healthcare professional for personalized dietary guidance.

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📋 Cite This Data
APACheckIt AI. (2026). "Acesulfame Potassium (Ace-K) vs Aspartame — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/acesulfame-potassium-vs-aspartame
MLA"Acesulfame Potassium (Ace-K) vs Aspartame — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-04-16. https://getcheck.it/ingredients/acesulfame-potassium-vs-aspartame.
HTML Embed<a href="https://getcheck.it/ingredients/acesulfame-potassium-vs-aspartame">Acesulfame Potassium (Ace-K) vs Aspartame — Which Is Worse? | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientsacesulfamepotassiumvsaspartame, title = {Acesulfame Potassium (Ace-K) vs Aspartame — Which Is Worse? | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/acesulfame-potassium-vs-aspartame}, note = {Retrieved 2026-04-16} }