Potassium aluminium silicate
Function: Anti-caking agents
E555 is the European food-additive number for Potassium aluminium silicate, an anti-caking agent — keeps powders free-flowing and stops them clumping. Potassium aluminium silicate (E555) is a food additive used as a food additive.
What is E555 used for?
Potassium aluminium silicate (E555) is an anti-caking agent — keeps powders free-flowing and stops them clumping. It is added during food production for a technological purpose rather than for nutrition. See all Anti-caking agents (E-numbers).
Is E555 safe or restricted?
E555 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as “Under monitoring” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E555 vegan or vegetarian?
Potassium aluminium silicate (E555) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E555?
E555 appears in 136 of the 4.7 million products in Forkin's catalogue — most often in Food Coloring / Decorations, Chocolate Truffles / Pralines, and Chocolate Candy.
- Food Coloring / Decorations42
- Chocolate Truffles / Pralines15
- Chocolate Candy12
- Candy & Sweets10
- Sugar3
- Milk Chocolate3
- Ice Cream3
- Dietary Supplements3
Often appears alongside
Additives most frequently found in the same ingredient lists as E555 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E555
- What is E555?
- E555 is the E-number for Potassium aluminium silicate, an anti-caking agent — keeps powders free-flowing and stops them clumping. Potassium aluminium silicate (E555) is a food additive used as a food additive.
- What is E555 used for?
- Potassium aluminium silicate (E555) is an anti-caking agent — keeps powders free-flowing and stops them clumping. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Which foods contain E555?
- E555 appears in 136 of the 4.7 million products in Forkin's catalogue — most often in Food Coloring / Decorations, Chocolate Truffles / Pralines, and Chocolate Candy. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E555 vegan or vegetarian?
- Potassium aluminium silicate (E555) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E555 safe, and is it banned anywhere?
- E555 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as ‘Under monitoring’ and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E555 — acceptable daily intake (ADI), restrictions by country, vegan and vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.