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PureScan
Low concernAntioxidant · Preservative
E221

Sodium sulphite

A sulphite preservative. It can trigger asthma and sensitivity reactions, so it must be declared as an allergen.

What the evidence says

  1. 1Can trigger asthma attacks in sensitive people
  2. 2Must be declared as an allergen on UK labels

Sources

EFSA’s scientific evaluation of E221 (opens in a new tab)

In a PureScan score

An ingredient of low concern removes 6 points from the additives and ingredients part of the score. Low concern ratings never cap a score. How we score