Accepted Manuscript Does high-dose vitamin D supplementation impact insulin resistance and risk of development of diabetes in patients with pre-diabetes? A double-blind randomized clinical trial Mahtab Niroomand, Akbar Fotouhi, Navid Irannejad, Farhad Hosseinpanah PII: S0168-8227(18)31358-5 DOI: https://doi.org/10.1016/j.diabres.2018.12.008 Reference: DIAB 7572 To appear in: Diabetes Research and Clinical Practice Received Date: 5 September 2018 Revised Date: 18 November 2018 Accepted Date: 17 December 2018 Please cite this article as: M. Niroomand, A. Fotouhi, N. Irannejad, F. Hosseinpanah, Does high-dose vitamin D supplementation impact insulin resistance and risk of development of diabetes in patients with pre-diabetes? A double-blind randomized clinical trial, Diabetes Research and Clinical Practice (2018), doi: https://doi.org/10.1016/ j.diabres.2018.12.008 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.