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At this time, there are no guidelines for the prevention of multiple sclerosis (MS). But there are some medications and supplements being studied. For example, the drug interferon beta may reduce the chance of a relapse or slow the progression of MS.

Researchers are also investigating whether vitamin D has a role in the development of MS. Some studies have found that people with low vitamin D intake had a higher risk of MS. This is an area that is still being studied. If you are concerned about your vitamin D level, talk to your doctor, who can test your blood. Vitamin D can be found in foods like cod liver oil, salmon, mackerel, sardines, and vitamin-D fortified milk. You can also get vitamin D by spending time in natural sunlight, which triggers your body to go through a process to produce the vitamin.


Multiple sclerosis (MS). EBSCO DynaMed website. Available at: Updated May 6, 2015. Accessed September 29, 2015.

NINDS multiple sclerosis information page. National Institute of Neurological Disorders and Stroke website. Available at: Updated July 17, 2015. Accessed September 29, 2015.

Nolan D, Castley A, Tshochner M, et al. Contributions of vitamin D response elements and HLA promoters to multiple sclerosis risk. Neurology. 2012;79(6):538-546.

What is MS? National Multiple Sclerosis Society website. Available at: Accessed September 29, 2015.

Last reviewed September 2015 by Rimas Lukas, MD

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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