Welcome to Imerys Performance Minerals


NUTRACEUTICALS Imerys high purity API for calcium supplementation in nutraceuticals and drugs

Imerys precipitated calcium carbonates (PCC) are excellent active pharmaceutical ingredients (API) for calcium supplementation in nutraceuticals and drugs designed to prevent diseases such as osteoporosis. 

Imerys pharmaceutical-grade precipitated calcium carbonates provide an excellent source of calcium, making them ingredients of choice for calcium supplementation in drugs and nutraceuticals such as sport nutrition products and baby formulas and foods.   

We recommend our Calcius range for calcium supplementation in nutraceuticals and drugs.

Calcius™ is suitable for swallowable, effervescent and chewable products as well as supplements in powder form. 

For calcium fortification in foods, please see our Food & Beverage section. 


Imerys pharmaceutical-grade 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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