A systematic review examining the effect of vitamin D supplementation on functional outcomes post-stroke.

"The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article."

"Funding: The authors received no financial support for the research, authorship, and/or publication of this article."

"MEDLINE, PsycINFO, EMBASE, and CINAHL were searched for journal articles published from database inception to March 5, 2023. Clinicaltrials.gov was also searched for ongoing or completed relevant trials. The search strategy was developed with the assistance of medical librarians. Search terms reflected two main constructs: stroke and vitamin D. No filters were applied to the search. The full search strategy is outlined in Appendix A. Reference lists of relevant articles were also reviewed to identify studies missed in the original search. The systematic review was registered with PROSPERO (CRD42022296462). Objective: The objective of this systematic review was to explore the effect of vitamin D supplementation on functional outcomes (motor function, mobility, activities of daily living and stroke impairment) among individuals post-stroke (PROSPERO CRD42022296462)."