E558Anti-caking Agent

Bentonite

Learn what Bentonite (E558) is, why it's added to food, whether it's safe, and which products contain it.

Generally recognized as safe

What is Bentonite?

Bentonite is a food additive used as an anti-caking agent and emulsifier. It is a natural volcanic mineral. It is utilized as a clarifying agent for fruit juices and as a carrier substance for other additives (such as flavors).

Why is Bentonite added to food?

Bentonite (E558) is a anti-caking agent commonly found in: Fruit Juices.

Permitted quantity: No specific daily limit.

Is Bentonite safe?

Generally recognized as safe

No secondary effects have been reported at the levels used in food products.

Is Bentonite banned anywhere?

✓ Not currently banned in the EU or known to be restricted in other countries.

Is Bentonite okay for kids?

Not permitted in foods intended for infants and young children.

Common foods that contain Bentonite

  • Fruit Juices

See the full list of foods that contain Bentonite

How to spot Bentonite on labels

Look for any of these names in the ingredients list:

  • E558
  • Bentonite

Common misspellings to watch for:

  • bentonite
  • bentonlte

Better alternatives

• Gastrointestinal conditions: Consuming large amounts of bentonite may cause gastrointestinal discomfort, including constipation or bloating. People with gastrointestinal conditions, such as irritable bowel syndrome or chronic constipation, should exercise caution. • Excess silicon: Bentonite contains silicon, and excessive consumption may lead to excessive silicon accumulation in the body, which could negatively affect bone or kidney health over time.

Explore homemade alternatives to processed snacks →

Also known as

  • bentonite
  • bentonlte

Scan products with BioBrief

Not sure if a product contains Bentonite? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E558 — with a plain-language explanation.

Frequently asked questions about Bentonite

Is Bentonite safe to eat?
No secondary effects have been reported at the levels used in food products.
Is Bentonite banned anywhere?
Bentonite is not currently banned in the EU or known to be restricted in other countries.
Is Bentonite safe for children?
Not permitted in foods intended for infants and young children.
How do I spot Bentonite on a food label?
Look for E558, Bentonite in the ingredients list. It may also appear as: bentonite, bentonlte.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.