Clay
additive · base score 0.5 · also listed as clay
What is it?
Clay is an additive, such as a preservative, flavouring or colouring. Graded medium: nutritionally adequate and nothing to worry about, but not a standout ingredient either way.
At a glance
- Category
- additive
- Grade
- medium
- Base score
- 0.5 (from −1 to 1; higher is better)
- Found in
- 46 products
- Also listed as
- clay
Common questions about clay
Is Clay good for dogs?
It is nutritionally fine: we grade it medium, meaning adequate and nothing to worry about, but not a standout either way. The overall recipe matters more than any single ingredient.
How many UK dog foods contain clay?
46 UK products list clay as an ingredient in our database. The full list is shown below, sorted by rating.
What else is clay called on labels?
Manufacturers list it under several names: clay. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade clay?
We grade it medium: nutritionally adequate, but nothing special either way. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.
What is clay in dog food?
Clay, often listed as bentonite or montmorillonite, is a natural mineral additive. It may be used as an anti-caking agent or binding agent. It does not provide meaningful nutrition and is typically present in very small quantities.











