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E555Anti-caking agentModerate concern
Potassium Aluminium Silicate
In plain words
The short version
A potassium-based aluminosilicate — niche anti-caking agent, structural cousin of E554.
Why we flag it amber
It's permitted and generally considered safe, but there are a few reasons to be mindful — like sensitivities in some people, debated studies, or intake limits. The Safety section below explains the specifics.
Safety profile
ADI of 0–1 mg/kg body weight (combined aluminium). Same considerations as E554.
The detail
Educational information only. Not medical or dietary advice.