March 23, 2016
Journal Article

Free 25-Hydroxyvitamin D: Impact of Vitamin D Binding Protein Assays on Racial-Genotypic Associations

Abstract

Total 25-hydroxyvitamin D (25OHD) is a marker of vitamin D status and is lower in African Americans than in whites. Whether this difference holds for free 25OHOD (f25OHD) is unclear, considering reported genetic-racial differences in vitaminDbinding protein (DBP) used to calculate f25OHD.

Revised: March 4, 2020 | Published: March 23, 2016

Citation

Nielson C., K. Jones, R.F. Chun, J.M. Jacobs, Y. Wang, M. Hewison, and J.S. Adams, et al. 2016. Free 25-Hydroxyvitamin D: Impact of Vitamin D Binding Protein Assays on Racial-Genotypic Associations. Journal of Clinical Endocrinology and Metabolism 101, no. 5:2226–2234. PNNL-SA-120076. doi:10.1210/jc.2016-1104