https://www.selleckchem.com/pr....oducts/thiamet-g.htm
Context The effect of vitamin D supplementation on the risk of type 2 diabetes mellitus (T2DM) remains controversial because most randomized controlled trials (RCTs) have been small or have reported low doses of vitamin D. Objective To conduct a meta-analysis of RCTs testing vitamin D supplementation in the prevention of T2DM. Data sources Database search of Pubmed/MEDLINE, EMBASE and the Cochrane Library was performed by two reviewers from inception through September 15, 2019. Study selection We included RCTs that reported the effect