Kaolin
Clay anti-caking agent.
- Vegan
- Yes
- Vegetarian
- Yes
What it is
A naturally occurring silicate or magnesium mineral used primarily to prevent powders from clumping together.
How it is used in food
Anti-caking agent used in some powdered foods.
Commonly found in- Chewing gum
- Spices
- Grated cheese
- Wine clarification
Health and safety
None known. Kaolin is inert, insoluble and not absorbed from the gut.
No safety concern identified at reported use levels.
Regulatory status
| Region | Status | Notes |
|---|---|---|
| Australia & New Zealand FSANZ |
Permitted | Permitted under the FSANZ Food Standards Code. |
| European Union EFSA / European Commission |
Permitted | Authorised for food use under EU regulations (Annex II). |
| United States FDA (Food and Drug Administration) |
Permitted | Authorised for food use by the FDA (often GRAS for standard additives). |
Identification on labels
- E-number
- E559
- Colour index
- 77004
Worth knowing
Historically the main ingredient in porcelain and fine china.
Conclusion
This natural clay mineral presents very little risk in a standard diet. Used primarily as an anti-caking agent in powdered foods and grated cheese, kaolin is entirely inert, insoluble, and passes through the gut without being absorbed, keeping your exposure well within safe limits.
Is it in what you are buying?
ScanWise reads the barcode and tells you which additives a product actually contains, and what they do to its score.
Open the appEntry last reviewed 2026-07-28.
← All additives