Acesulfame K

Potassium salt of 6-methyl-1,2,3-oxathiazine-4(3H)-one-2,2-dioxide.

High-intensity sweetener in soft drinks, tabletop sweeteners, and dairy desserts.

Not metabolized; excreted unchanged. No effect on blood glucose.

Extensively studied; considered safe within ADI. Contributes potassium negligibly.

Permitted sweetener in EU Annex II.

Acesulfame potassium (Ace-K) is a permitted high-intensity sweetener in the U.S. under 21 CFR 172.800. FDA approved it for specific uses in 1988 and as a general-purpose sweetener in 2003, except in meat and poultry. It is often blended with other sweeteners in soft drinks and tabletop products.

Category-specific maximum levels in Annex II Part E.

0–9 mg/kg body weight per day (EFSA/JECFA).