About 200× sweeter than sugar; often blended with other sweeteners. Excreted unchanged.
Approval
Approved by FDA and EFSA. Both set an ADI of 15 mg/kg bw/day; EFSA's 2025 re-evaluation raised its earlier 9 mg/kg figure to 15.
Evidence & sources
FDA set an acceptable daily intake for acesulfame potassium of 15 mg per kg of body weight. Evidence: regulatory. Known: Based on toxicology studies with a safety margin. Unknown: An ADI is a lifetime intake level, not a threshold of harm. Source: US FDA, Aspartame and Other Sweeteners in Food (Current revision).