vitamin D

There is interest in whether supplements, including vitamin D and marine omega-3 (n-3) fatty acids, may be effective migraine prophylaxis. However, few studies have evaluated whether vitamin D or n-3 fatty acid supplementation may reduce migraine frequency or severity. Methods Participants in the VITamin D and OmegA-3 TriaL (VITAL) were assigned to vitamin D3 (2000 IU/d) or marine n-3 fatty acid (1...