Calcium Sulphate
mineral ingredient
What is it?
Calcium Sulphate is a source of minerals. Graded medium: nutritionally adequate and nothing to worry about, but not a standout ingredient either way.
At a glance
- Base score
- 0.5 (from −1 to 1; higher is better)
- Found in
- 4 products
Products containing calcium sulphate
Results reflect the latest label we hold for each product, not a live check of today's recipe. Open a product to see its source and last-checked date.
Common questions about calcium sulphate
Is Calcium Sulphate good for dogs?
We grade it medium: nutritionally adequate, but not a standout either way. The overall recipe matters more than any single ingredient.
What is calcium sulphate used for in dog food?
Calcium sulphate is a mineral supplement that provides calcium, which is needed for bone and teeth structure. It may also act as a firming agent or anti-caking agent in wet foods and treats. It is considered safe at typical inclusion levels.
How many UK dog foods contain calcium sulphate?
4 UK products list calcium sulphate as an ingredient in our database. The full list is shown above, sorted by rating.
Show 1 more question
How does Open Dog Food grade calcium sulphate?
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.



