Welcome to Imerys Performance Minerals

Calcius Range

Calcius™ Range

The Calcius™ Pharma-grade precipitated calcium carbonate (PCC) range is suitable for use as an active calcium ingredient with high solubility in antacids, multi-vitamins, mineral supplement tablets and chewables.

Sourced from Imerys’ proprietary mine dedicated to Food and Pharmaceutical products and processed at our facility according to Good Manufacturing Practices, the Calcius™ range exceeds industry standards in terms of purity. 

 Key features

  • High purity

  • Solubility

  • Wide range of densities available

The Calcius™ range offers 4 densities

Calcius™ range

For calcium fortification in foods, we recommend our I-Blūm range.


Calcius™ precipitated calcium carbonates:

  • Comply with US Pharmacopeia

  • Comply with EU Pharmacopeia

  • Meet all ICHQ3D limits for elemental impurities

  • Exceed USP standards and California Proposition 65 requirements with regard to trace lead levels

  • Are manufactured, processed and packaged in compliance with cGMP (Good Manufacturing Practices) at ISO 9001:2015 and HACCP certified facilities

  • Halal, vegan & kosher certification

  • EINECS no. 207-439-9

  • CAS no. 471-34-1

IPEC member



IPEC member, Imerys guarantees the safety, quality and consistency of its pharmaceutical grades which are all derived from controlled, proprietary sources, available for audit.

The Pharmaceuticals Regulatory Package and Kosher certificate are available from our download center.

We offer a full range of bespoke formulation and technical and process support services to help you match the right mineral grade to your application requirement.

Please contact us. We will be only too happy to help

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