Calcium Carbonate
supplement ingredient
What is it?
Calcium Carbonate is a supplement added for a specific benefit. Graded medium: nutritionally adequate and nothing to worry about, but not a standout ingredient either way.
Other names on labels: limestone, e170, calcium
At a glance
- Base score
- 0.5 (from −1 to 1; higher is better)
- Found in
- 273 products
Products containing calcium carbonate
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 carbonate
Is Calcium Carbonate 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 carbonate in dog food?
Calcium carbonate is a common calcium supplement, also listed as limestone or E170, used to balance mineral levels. It helps provide calcium for bone and tooth structure.
Why is calcium carbonate added to dog food?
Calcium carbonate is added to ensure recipes meet nutritional calcium requirements. The amount is carefully balanced with other minerals.
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How many UK dog foods contain calcium carbonate?
273 UK products list calcium carbonate as an ingredient in our database. The full list is shown above, sorted by rating.
What else is calcium carbonate called on labels?
Manufacturers list it under several names: limestone, e170, calcium. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade calcium carbonate?
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.