What is E555?
E555 is Potassium Aluminium Silicate — a mined mineral (mica), used as a anti-caking agent to help stop powders and granules clumping together.
What is E555 (Potassium Aluminium Silicate)?
E555 is the E-number for potassium aluminium silicate, one of the anti-caking agents group of food additives (E500–E599). Additives in this group stop powders and granules clumping together. A mined mineral (mica). Like every E-number, E555 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E555 in detail below.
Where is E555 found?
E555 is typically used in table salt, spice mixes, powdered drinks, grated cheese and dry mixes. You'll find it listed in the ingredients either by its E-number (E555) or by its full name, potassium aluminium silicate. Common foods that may contain E555 include:
- Table salt
- Spice mixes
- Powdered drinks
- Grated cheese and dry mixes
Full guide: foods containing E555 and how to spot it on labels →
Is E555 safe?
E555 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E555 is not considered harmful.
EFSA status: Authorised in the EU — acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority
Is E555 vegan?
E555 is vegan. A mined mineral (mica), with no animal involvement in standard production.
Full vegan status guide for E555 →Is E555 halal?
E555 is halal. A mined mineral (mica), with no haram source involved.
Full halal status guide for E555 →Frequently Asked Questions
What is E555 in food?
E555 is Potassium Aluminium Silicate — a mined mineral (mica), used as a anti-caking agent to help stop powders and granules clumping together.
Is E555 safe to eat?
E555 is approved at regulated levels in the EU, UK and US, but some concerns exist — see the safety section above. Most people can consume it in normal amounts without harm.
Is E555 vegan?
E555 is vegan. A mined mineral (mica), with no animal involvement in standard production.
Is E555 halal?
E555 is halal. A mined mineral (mica), with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).