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-Number | Name | Safety | Details |
|---|---|---|---|
| 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 |
Other allergen guides
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Managing sulphite-free eating
Food Intolerance Test
Home test kit to identify which additives or foods are affecting you.
Food Intolerance Test
Home test kit to identify which additives or foods are affecting you.
Data: Open Food Facts (ODbL) · EFSA. General information only — not medical or dietary advice.