Sulphite-Free Eating — The Complete Sulphite E-Number List

Sulphites (E220–E228) are declared allergens that trigger reactions — especially asthma — in sensitive people.

Any food or drink containing more than 10mg/kg of sulphites must declare them on the label.

All sulphite E-numbers

E-NumberNameSafetyDetails
E220 Sulphur Dioxide Some concerns Full details
E221 Sodium Sulphite Some concerns Full details
E222 Sodium Hydrogen Sulphite Some concerns Full details
E223 Sodium Metabisulphite Some concerns Full details
E224 Potassium Metabisulphite Some concerns Full details
E226 Calcium Sulphite Some concerns Full details
E227 Calcium Hydrogen Sulphite Some concerns Full details
E228 Potassium Hydrogen Sulphite Some concerns Full details
E150b Caustic Sulphite Caramel Some concerns Full details
E150d Sulphite Ammonia Caramel Some concerns Full details

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Managing sulphite-free eating

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Sulphite-Free Options — helpful resources.

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Food Intolerance Test
Home test kit to identify which additives or foods are affecting you.

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Food Intolerance Test
Home test kit to identify which additives or foods are affecting you.

Intolerance test kits →

Data: Open Food Facts (ODbL) · EFSA. General information only — not medical or dietary advice.

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