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Calcium fortification & supplements

CALCIUM FORTIFICATION & SUPPLEMENTS Imerys calcium carbonates and calcium citrate dietary fortifications

Imerys food-grade precipitated calcium carbonates (PCC) and calcium citrate grades are excellent sources of calcium for food dietary fortification. 

Our I-Blūm PCC and Calcium Citrate grades are added-value solutions for enhancing the calcium content of fortified foods and beverages such as:

  • yogurt
  • powdered milk
  • meal replacement bars and drinks
  • bakery snacks
  • dairy-based and plant-based beverages
  • powdered beverage mixes

Our high-purity I-Blūm grades are sourced from high-quality minerals from Imerys owned mines. They are processed at Imerys facilities according to Good Manufacturing Practices (GMP)

The I-Blūm range is available in four densities of calcium carbonates and three densities of calcium citrate.


Our calcium carbonate and calcium citrate food additive grades:

  • authorized for use as a food additives under European Directive 1129/2011 (EC)
    Calcium Carbonates: E170; Calcium Citrate: E333.
  • comply with required purity criteria set out in European Directive 231/2012 (EC) 
  • comply with US FDA Standards for Food Additives set out in 21 C.F.R. Subchapter B
  • comply with purity criteria under Food Chemical Codex, Current Edition
  • comply with Japanese Standards for Food Additives, VIII Edition
  • comply with Kosher and Halal food specifications 
  • does not contain allergens 


Process quality is guaranteed by:

  • production in compliance with Food Good Manufacturing Practices (GMP) 
  • GFSI Certified site 
  • FDA registered site
  • ISO 9001:2015 Certified site

We offer a full range of custom 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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Food & Beverage