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E950SweetenerModerate concern
Acesulfame K
In plain words
The short version
A heat-stable, calorie-free sweetener about 200 times sweeter than sucrose — frequently blended with aspartame or sucralose.
Why we flag it amber
It's permitted and generally considered safe, but there are a few reasons to be mindful — like sensitivities in some people, debated studies, or intake limits. The Safety section below explains the specifics.
Safety profile
ADI of 9 mg/kg body weight (EFSA). Not metabolized by humans — excreted unchanged in urine. EFSA initiated a re-evaluation in 2021 based on emerging data; conclusions pending. Some studies suggest possible effects on gut microbiota at high doses.
The detail
Educational information only. Not medical or dietary advice.