Vitamin D does not increase calcium absorption in young women: A randomized clinical trial

J. Christopher Gallagher; Prachi S. Jindal; Lynette M. Smith

doi:10.1002/jbmr.2121

Vitamin D does not increase calcium absorption in young women: A randomized clinical trial

J. Christopher Gallagher, Prachi S. Jindal, Lynette M. Smith

Department of Medicine

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

It is commonly said that vitamin D should be used to increase calcium absorption. We tested this statement in a dose-response study of vitamin D on calcium absorption. A total of 198 white and African American women, aged 25 to 45 years, with vitamin D insufficiency, serum 25-hydroxyvitamin D (25OHD) 2D) amongst the lowest groups. Vitamin D doses up to 2400 IU daily did not increase calcium absorption. No threshold level of serum 25OHD for calcium absorption was found at baseline or in the longitudinal study, suggesting that active transport of calcium is saturated at very low serum 25OHD levels

Original language	English (US)
Pages (from-to)	1081-1087
Number of pages	7
Journal	Journal of Bone and Mineral Research
Volume	29
Issue number	5
DOIs	https://doi.org/10.1002/jbmr.2121
State	Published - May 2014

All Science Journal Classification (ASJC) codes

Endocrinology, Diabetes and Metabolism
Orthopedics and Sports Medicine

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10.1002/jbmr.2121

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Vitamin D does not increase calcium absorption in young women: A randomized clinical trial

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