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Ingredient Guide

🇬🇧 Acesulfame Potassium on Food Labels in UK

Acesulfame Potassium is permitted but requires specific warning statements in United Kingdom: declare as "acesulfame K (E950)" with the required warning: "With sweetener(s)".

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What the Rule Is

Acesulfame potassium (Ace-K, E950) is a calorie-free sweetener about 200 times sweeter than sugar, usually blended with aspartame or sucralose, and heat-stable enough for baking. In United Kingdom, Acesulfame Potassium is regulated under Retained EU Law & UK FIC as a food sweetener. UK retains EU sweetener labeling requirements post-Brexit. "With sweetener(s)" must appear near the product name.

What You Must Include
  • Declare as "acesulfame K (E950)" in the ingredient list
  • Include the required warning: "With sweetener(s)"
  • Declare with functional class: "sweetener" and E-number E950
  • Review all compound ingredients for hidden sources
  • Cross-check all compound ingredients and sub-ingredients for hidden sources
Common Violations
  • Missing the mandatory warning: "With sweetener(s)"
  • Using an ambiguous or abbreviated name that does not identify Acesulfame Potassium
  • Omitting the E-number E950 where required
  • Not updating the label after recipe changes involving this ingredient
  • Failing to check compound ingredients for hidden Acesulfame Potassium content
Examples: Compliant vs Non-Compliant

Compliant Examples

"sweetener: acesulfame K (E950)" + warning: "With sweetener(s)"
"acesulfame K (E950)" in ingredient list
Full ingredient line: "Ingredients: ... acesulfame K (E950) ..."

Non-Compliant Examples

Using a synonym (Acesulfame K, E950) without the approved declaration name
Missing the required warning statement near the ingredient declaration
"Natural [ingredient category]" without specific name where specific name is required
How LabelGuard Checks This

LabelGuard scans your label for Acesulfame Potassium and all its common names (Ace-K, Acesulfame K, E950, Sunett) to verify correct declaration, required E-numbers, and mandatory warning statements under UK rules.

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Frequently Asked Questions

What is acesulfame potassium (E950)?

Acesulfame potassium (Ace-K, E950) is a calorie-free sweetener about 200 times sweeter than sugar, usually blended with aspartame or sucralose, and heat-stable enough for baking. It commonly appears in: Diet soft drinks, Sugar-free confectionery, Chewing gum, Protein bars, Tabletop sweeteners.

Is acesulfame potassium bad for you?

It is approved in all major markets, with an EU ADI of 9 mg/kg and a US ADI of 15 mg/kg body weight per day. Repeated regulatory reviews have found it safe at permitted levels; it is excreted unchanged rather than metabolised.

How must Acesulfame Potassium be declared on food labels in UK?

Declare as "acesulfame K (E950)" in the ingredient list. A mandatory warning must also appear: "With sweetener(s)". UK retains EU sweetener labeling requirements post-Brexit. "With sweetener(s)" must appear near the product name.

What are the common synonyms and hidden sources of Acesulfame Potassium?

Acesulfame Potassium may appear under the following names: Ace-K, Acesulfame K, E950, Sunett, Sweet One. Common hidden sources include: Diet soft drinks, Sugar-free confectionery, Chewing gum, Protein bars, Tabletop sweeteners, Low-calorie desserts.

Is acesulfame potassium banned in UK or other markets?

Requires mandatory warnings in: EU, UK.

Regulation Sources

Last updated: 2026-07-20

Disclaimer: This information is for guidance only and does not constitute legal advice. Always consult official regulations and seek professional legal advice for specific compliance questions.

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