Sulphites / Sulfites

Medium Concern

Preservative / Allergen

Also known as

sulphitessulfitessulphur dioxidesulfur dioxidee220e221e222e223e224sodium bisulfitepotassium bisulfitesodium metabisulfitepotassium metabisulfite

The concern

Mandatory allergen under EU and UK food law. Can trigger asthma attacks in sensitive individuals — estimated 1 in 100 asthma patients are sulphite-sensitive. FDA requires labelling above 10 ppm.

Read the source: FDA / FSA

What to look for on labels

This ingredient may appear under any of the following names or codes on product labels:

Sulphites / Sulfites
sulphites
sulfites
sulphur dioxide
sulfur dioxide
e220
e221
e222
e223
e224
sodium bisulfite
potassium bisulfite
sodium metabisulfite
potassium metabisulfite

Learn more

Read the full evidence directly from the authoritative source.

View source — FDA / FSA

Data sourced from IARC, FDA, EFSA, WHO and EWG public data. For informational purposes only. This does not constitute medical or legal advice.

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