Acesulfame potassium (Ace-K)

Also known as: Acesulfame K, Ace-K, E950

Moderate concernunder our published method

By NordicScan Evidence Engine · generated from structured evidence records · source spans verified by automated gates · Reviewed 2026-07-08 · Evidence snapshot geo-wave1-evidence-snapshot-2026-07-08 · Scoring engine det_v3 · how we score.

What it is

Acesulfame potassium is a high-intensity sweetener often blended with other sweeteners in diet drinks, gum, desserts and powdered mixes.

Why people ask

People ask because it is common on labels and is included in the WHO non-sugar-sweetener guidance category.

What our method flags — by use

Food · US / WHO guidance

Our method rates Ace-K as moderate-concern: FDA permits it under specified use conditions, while WHO guidance flags the broader non-sugar-sweetener category.

The US lists acesulfame potassium under 21 CFR 172.800 as a general-purpose sweetener and flavour enhancer subject to conditions of use.

Authority / source	Finding (our paraphrase)	Evidence tier	Date	Link
eCFR / US FDA	The US lists acesulfame potassium under 21 CFR 172.800 as a general-purpose sweetener and flavour enhancer subject to conditions of use.	authority_regulatory	2026-07-06	source
World Health Organization	WHO flagged by guideline announcement the non-sugar-sweetener category, including acesulfame K, for weight-control use; applicability is class-level guidance, not an ingredient-specific market ban.	authority_regulatory / --	2023-05-15	source

Evidence coverage for this use: Fair (computed from source count × authority tier × recency; signals depth, does not change the concern band).

How this moves a product’s score

On a product score, Ace-K contributes a moderate concern signal from sweetener status plus the WHO class-level guidance cell.

Nordic Scan provides ingredient information and a concern score under our published method, for general consumer research. It is not medical advice and not a medical device, and does not diagnose, treat, cure, or prevent any disease, or determine the safety of any product. Decide for yourself.

Common questions

Is Ace-K banned by the sources here?: No. The page reports a US permitted-use listing and a separate WHO class-level guidance signal.

This is what Acesulfame potassium (Ace-K) is. What’s in the products you buy? Scan a label and see the concern signals our method flags. Get the app.

Reviewed 2026-07-08 · Evidence snapshot geo-wave1-evidence-snapshot-2026-07-08 · Scoring engine det_v3 · Sources checked 2026-07-08 · See how we score.