Low Vitamin D Levels Linked to Onset of MS posted on December 16, 2015 low vitamin Dlow vitamin d linked to msms Share this Post Share on Twitter Share on Facebook Share on Google Plus Recent studies show that vitamin D regulates T-cell in the immune system. This makes the immune system more tolerant of SELF (less self-attacking). Vitamin D has a direct impact on myelin sheath regeneration in MS patients which damaged. Greater the damage, greater the symptoms in MS. The study says, “Low vitamin D levels have been linked to the onset of MS, and de la Fuente et al.’s findings suggest that the vitamin might also affect the disease’s progression by controlling myelin sheath regeneration, a process that declines with age.” Click here to read more. Vitamin D-3 5000 I.U. (250) $31.99 Add to cart No ratings. Vitamin D-3 2000 IU (250) $26.99 Add to cart No ratings.