High doses of vitamin D cut MS relapses

High doses of vitamin D dramatically cut the relapse rate in people with multiple sclerosis, a study shows.

Also, people taking high-dose vitamin D suffered 41% fewer relapses than the year before the study began, compared with 17% of those taking typical doses.

People taking high doses of vitamin D did not suffer any significant side effects. The findings were presented at the annual meeting of the American Academy of Neurology.