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

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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