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Allergen Guide

🇬🇧 Sulphites Allergen in UK

Sulphites (Sulphur dioxide and sulphites) is a regulated major allergen in UK that must be clearly declared.

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What the Rule Is

Sulphites must be declared on food labels in United Kingdom as a regulated allergen. This includes the allergen itself and any derivatives. The UK retained Regulation 1169/2011, so the same 14 Annex II allergens and in-list emphasis rules apply. In addition, Natasha's Law (October 2021) extended full ingredient and allergen labeling to food prepacked for direct sale (PPDS).

What You Must Include
  • Clear declaration of "Sulphites" or specific derivative names
  • Proper emphasis in the ingredients list
  • Declaration of processing aids containing the allergen
Common Violations
  • Using scientific names without the common name "Sulphites"
  • Missing hidden sources in compound ingredients
  • Insufficient emphasis in ingredients list
Examples: Compliant vs Non-Compliant

Compliant Examples

Ingredients: Flour, **Sulphites**, Sugar

Non-Compliant Examples

Ingredients: Flour, Sulphites, Sugar (no emphasis)
How LabelGuard Checks This

LabelGuard scans your label for sulphites and all its derivatives including: Sodium bisulphite, Potassium metabisulphite, Sulphur dioxide, E220-E228.

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Frequently Asked Questions

What ingredients contain hidden sulphites?

Common hidden sources include: Sodium bisulphite, Potassium metabisulphite, Sulphur dioxide, E220-E228.

Is sulphites one of the major allergens in UK?

Yes, sulphites is a regulated major allergen in UK that must be declared.

How are allergens required to be declared in UK?

The UK retained Regulation 1169/2011, so the same 14 Annex II allergens and in-list emphasis rules apply. In addition, Natasha's Law (October 2021) extended full ingredient and allergen labeling to food prepacked for direct sale (PPDS).

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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