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

FactorAspartameAcesulfame Potassium (Ace-K)
E-NumberE951E950
CategorySweetenerSweetener
SeverityModerate Risk (6/10)Moderate Risk (6/10)
FDA StatusFDA-approved since 1981 (dry foods) and 1983 (beverages). Classified as GRAS-equivalent. FDA's ADI is 50 mg/kg body weig…FDA-approved in 1988 for specific uses and as a general-purpose sweetener in 2003. ADI: 15 mg/kg body weight/day. FDA re…
EFSA StatusEFSA completed a comprehensive risk assessment in 2013, confirming safety at the ADI of 40 mg/kg body weight/day. In Jul…EFSA re-evaluated in 2000 and maintained approval with an ADI of 9 mg/kg body weight/day. EFSA concluded that Ace-K is n…
Banned In——
Products Found718

Key Differences

Health Concerns Comparison

Aspartame

Acesulfame Potassium (Ace-K)

Which Products Use Each?

7
products contain Aspartame
18
products contain Acesulfame Potassium (Ace-K)

⚖️ The Verdict

Both Aspartame and Acesulfame Potassium (Ace-K) 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 Aspartame or Acesulfame Potassium (Ace-K) worse?
Both Aspartame and Acesulfame Potassium (Ace-K) have the same severity score (6/10). Neither is clearly worse based on available data.
What is the difference between Aspartame and Acesulfame Potassium (Ace-K)?
Both are sweeteners. Aspartame has a severity of 6/10 and is found in 7 products. Acesulfame Potassium (Ace-K) has a severity of 6/10 and is found in 18 products.
Are Aspartame and Acesulfame Potassium (Ace-K) banned?
Aspartame is not currently banned in any major market. Acesulfame Potassium (Ace-K) is not currently banned in any major market.
How can I avoid both Aspartame and Acesulfame Potassium (Ace-K)?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag both Aspartame and Acesulfame Potassium (Ace-K) and suggest safer alternatives.
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Aspartame Deep Dive Acesulfame Potassium (Ace-K) 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). "Aspartame vs Acesulfame Potassium (Ace-K) — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/aspartame-vs-acesulfame-potassium
MLA"Aspartame vs Acesulfame Potassium (Ace-K) — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/aspartame-vs-acesulfame-potassium.
HTML Embed<a href="https://getcheck.it/ingredients/aspartame-vs-acesulfame-potassium">Aspartame vs Acesulfame Potassium (Ace-K) — Which Is Worse? | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientsaspartamevsacesulfamepotassium, title = {Aspartame vs Acesulfame Potassium (Ace-K) — Which Is Worse? | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/aspartame-vs-acesulfame-potassium}, note = {Retrieved 2026-03-05} }