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Is calcium carbonate safe during pregnancy?

Reviewed by · Last reviewed

Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
calcium carbonate
NO KNOWN RISKS
100
/100
0

Pregnancy-safe products containing calcium carbonate

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Authoritative references used to score this ingredient.

Frequently asked questions

Is calcium carbonate safe during pregnancy?
No harmonised reproductive classification in ECHA Annex VI and no credible animal or human data indicating reproductive or teratogenic effects for calcium carbonate (CAS 471-34-1). It is an inert, poorly water-soluble mineral commonly used as a filler/abrasive; systemic exposure from topical cosmetic use is negligible (CosIng, PubChem, ECHA registration information).
Is calcium carbonate safe while breastfeeding?
No evidence of reproductive or lactation-related toxicity; calcium carbonate is not known to concentrate in breast milk from topical exposure. Oral calcium salts are commonly used in pregnancy/breastfeeding as supplements without teratogenic signal, but topical cosmetic exposure results in negligible systemic uptake (PubChem, ECHA registration dossiers, CosIng).
Is calcium carbonate safe for baby skin?
No data indicating developmental or skin-specific toxicity in infants. As an insoluble, inert particulate used as a filler/abrasive, dermal absorption is negligible; therefore exposure to systemic compartments for babies (0–3 yr) from routine cosmetic application is expected to be negligible. Local effects (abrasion/drying) are possible with abrasive use, but no infant-specific systemic hazard data were identified (CosIng, EWG, PubChem).
How does VeriMom score calcium carbonate?
VeriMom scores calcium carbonate at 100/100 (no known risks) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
What are pregnancy-safe alternatives to calcium carbonate?
See our curated list of pregnancy-safe alternatives to calcium carbonate based on similar function and a no-known-risks safety band.

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Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.

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