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Should I Take Vitamin D for MS? A Q&A with Ahna Crum, R.D.N.

By Kerry Weiss
Reviewed by Dana Cooper, M.D.
August 10, 2022

This article is part of a Q&A series in which a healthcare professional in our community answers your frequently asked questions.

You may have heard that taking vitamin D supplements can be helpful for some people with multiple sclerosis, and you may be wondering whether you should be getting more D in your diet—or even whether you should start taking supplements.

We brought these questions to Ahna Crum, registered dietitian, MS community expert, and fellow MS warrior. Here, Crum shares what you should know about vitamin D and MS, and also offers advice for safer supplementation.