Sulphites (Sulphur dioxide and sulphites) is a regulated major allergen in Canada that must be clearly declared. Sulphites at 10 ppm or more are treated like priority allergens in Canada and must be declared.
Sulphites must be declared on food labels in Canada as a regulated allergen. This includes the allergen itself and any derivatives. Canada's Enhanced Labelling Regulations require priority allergens — including mustard and sulphites at 10 ppm or more — to be declared in the ingredient list or a "Contains" statement, in both English and French.
LabelGuard scans your label for sulphites and all its derivatives including: Sodium bisulphite, Potassium metabisulphite, Sulphur dioxide, E220-E228.
Start Your Compliance CheckCommon hidden sources include: Sodium bisulphite, Potassium metabisulphite, Sulphur dioxide, E220-E228.
Yes, sulphites is a regulated major allergen in Canada that must be declared. Sulphites at 10 ppm or more are treated like priority allergens in Canada and must be declared.
Canada's Enhanced Labelling Regulations require priority allergens — including mustard and sulphites at 10 ppm or more — to be declared in the ingredient list or a "Contains" statement, in both English and French.
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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