Acesulfame Potassium (Ace-K)
Also known as: Acesulfame K, Ace-K, Sunett, Sweet One, POTASSIUM ACESULFAME, ACESULFAME K, POTASSIUM 6-METHYL-1,2,3-OXATHIAZIN-4(3H)-ONE 2,2-DIOXIDE, 1,2,3-OXATHIAZIN-4(3H)-ONE, 6-METHYL-, 2,2-DIOXIDE, POTASSIUM SALT, ACESULFAME-K, ACESULFAM-K
Artificial sweetener · E950
Regulatory Status
United States (FDA)
ApprovedFDA-approved since 1988. Often blended with other sweeteners to mask bitter aftertaste.
European Union (EFSA)
ApprovedApproved in EU. EFSA ADI: 9 mg/kg body weight/day.
Safety Profile
Approved in both regions. Some advocacy groups question the adequacy of original safety studies. FDA and EFSA maintain current evidence supports safety.
Health Concerns
- • Some studies suggest potential genotoxicity (contested)
- • Contains methylene chloride as manufacturing byproduct (trace amounts)
- • CSPI has called for better testing
Commonly Found In
Sources: FDA Substances Added to Food, EFSA opinions, EU Regulation 1333/2008, IARC monographs
SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.