Abstract
Multiple sclerosis (MS) represents severe autoimmune disease of the central nervous system, typically afflicting young people in productive age. Disease etiology is not exactly known, however negative impact of low vitamin D serum level on disease onset and progression is undoubted so far.
Moreover significant vitamin D deficit is a problem of two thirds of population in our latitude. The article summarizes up-to-date knowledge about vitamin D and its connection with MS including supplementary recommendation.