Intended for healthcare professionals

Letters Calcium supplementation

An inappropriate response?

BMJ 2013; 346 doi: (Published 19 February 2013) Cite this as: BMJ 2013;346:f942
  1. Mark J Bolland, senior research fellow1,
  2. Andrew Grey, associate professor1,
  3. Ian R Reid, distinguished professor1
  1. 1Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand
  1. i.reid{at}

Papers that have found an increased risk of cardiovascular events in people who use calcium supplements could reduce sales of these supplements.1 2 3 So how should affected companies respond appropriately and what role should academics and scientific journals play in such responses?

The Council for Responsible Nutrition (CRN) is “the leading trade association representing dietary supplement …

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