Evidence Hub

Calcium and vitamin D do not prevent fractures in community-dwelling adults

I. Reid

BMJ evidence-based medicine, 2018

Abstract

Commentary on: Zhao J, Zeng X, Wang J, et al . Association between calcium or vitamin D supplementation and fracture incidence in community-dwelling older adults: a systematic review and meta-analysis. JAMA 2017;318:2466–82.

Fractures among older adults are a steadily increasing problem, as life expectancy increases. Supplements of calcium and/or vitamin D have been promoted to mitigate fracture risk in older people for many years, though the evidence for this has always been subject to disagreement. In recent years, there has been a proliferation of meta-analyses designed to resolve these uncertainties, but they have, in turn, resulted in contradictory outcomes.

Zhao et al have recently revisited this subject with a comprehensive meta-analysis of trials assessing the effects of calcium, vitamin D or their combination on fractures.1 The meta-analysis was …

Read the paper

Related studies

Go deeper in Evidence Hub

Evidence Hub adds a study data sheet (design, sample size, evidence level, key numbers), an AI summary and a chat grounded in the paper's text.

Open this study Sign up free