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Forkin
E558Under monitoringIn 60 productsTypically vegan

Bentonite

Function: Anti-caking agents

E558 is the European food-additive number for Bentonite, an anti-caking agent — keeps powders free-flowing and stops them clumping. Bentonite (E558) is a food additive used as a food additive.

What is E558 used for?

Bentonite (E558) 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 E558 safe or restricted?

E558 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 E558 vegan or vegetarian?

Bentonite (E558) 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 product-specific vegan and vegetarian signals where available, based on ingredient and label data. Always read the label for allergens.

Which foods contain E558?

E558 appears in 60 of the 4.9 million products in Forkin's catalogue — most often in Dry Dog Food (Kibble), Dietary Supplements, and Dry Cat Food (Kibble).

  • Dry Dog Food (Kibble)9
  • Dietary Supplements7
  • Dry Cat Food (Kibble)6
  • Grain-Free Dog Food3
  • Wet Cat Food (Canned / Pouch)3
  • Kitten Food2
  • Dog Food2
  • Cat Food2

Often appears alongside

Additives most frequently found in the same ingredient lists as E558 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 E558

What is E558?
E558 is the E-number for Bentonite, an anti-caking agent — keeps powders free-flowing and stops them clumping. Bentonite (E558) is a food additive used as a food additive.
What is E558 used for?
Bentonite (E558) 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 E558?
E558 appears in 60 of the 4.9 million products in Forkin's catalogue — most often in Dry Dog Food (Kibble), Dietary Supplements, and Dry Cat Food (Kibble). Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
Is E558 vegan or vegetarian?
Bentonite (E558) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows product-specific vegan and vegetarian signals where available, based on ingredient and label data, since the source can vary between manufacturers.
Is E558 safe, and is it banned anywhere?
E558 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 E558 — 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.

Related additives (Anti-caking agents)

Regulatory-level classification based on EFSA re-evaluations and exposure assessments, IARC monograph groupings, the EU food additive register (Regulation (EC) No 1333/2008) and mandatory warning labels, ECHA harmonised CLP classifications, FAO/WHO JECFA acceptable-daily-intake reviews, and national measures (US FDA, Health Canada, California OEHHA Proposition 65). Informational only — not medical or dietary advice. See methodology for the rubric.