Calcium carbonate
Learn what Calcium carbonate (E170) is, why it's added to food, whether it's safe, and which products contain it.
Generally recognized as safeWhat is Calcium carbonate?
A food additive with multiple functions. It acts as an acidity regulator, anti-caking agent, emulsifier, stabilizer, and coloring agent. For the food and pharmaceutical industries, it is typically obtained from marble. It is widely used as a surface colorant, anti-drying agent, and stabilizer for preserved fruits, and in pharmaceuticals as a filler. It is also a source of calcium and is included in some dietary supplements. Additionally, it neutralizes gastric hyperacidity.
Why is Calcium carbonate added to food?
Calcium carbonate (E170) is a anti-caking agent commonly found in: Preserved fruits, compotes.
Permitted quantity: No maximum daily dose has been established for human consumption.
Is Calcium carbonate banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Is Calcium carbonate okay for kids?
Not allowed in foods intended for infants and young children.
Common foods that contain Calcium carbonate
- Preserved fruits
- compotes
How to spot Calcium carbonate on labels
Look for any of these names in the ingredients list:
- E170
- Calcium carbonate
Common misspellings to watch for:
- ealcium carbonate
- calcium carbondte
- caleium carbonate
- calclum carbonate
- calcium earbonate
- calcium carbonate
- calcium cdrbonate
- cdlcium carbonate
Better alternatives
• Excessive consumption of calcium carbonate can lead to hypercalcemia, which may cause nausea, vomiting, constipation, and abdominal pain. • Individuals with kidney conditions or a history of kidney stone formation should avoid excessive calcium carbonate intake, as it can contribute to stone formation. • Long-term use may lead to calcium buildup in soft tissues, potentially affecting cardiovascular and kidney health. • It may interfere with the absorption of other essential minerals, such as magnesium and phosphorus. • It may cause allergic reactions, including skin rashes and breathing difficulties, in sensitive individuals.
Also known as
- ealcium carbonate
- calcium carbondte
- caleium carbonate
- calclum carbonate
- calcium earbonate
- calcium carbonate
- calcium cdrbonate
- cdlcium carbonate
Scan products with BioBrief
Not sure if a product contains Calcium carbonate? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E170 — with a plain-language explanation.
Frequently asked questions about Calcium carbonate
- Is Calcium carbonate safe to eat?
- Calcium carbonate has a harm level of 0 out of 3. Generally recognized as safe.
- Is Calcium carbonate banned anywhere?
- Calcium carbonate is not currently banned in the EU or known to be restricted in other countries.
- Is Calcium carbonate safe for children?
- Not allowed in foods intended for infants and young children.
- How do I spot Calcium carbonate on a food label?
- Look for E170, Calcium carbonate in the ingredients list. It may also appear as: ealcium carbonate, calcium carbondte, caleium carbonate.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.