Vitamin D deficiency is the state of having inadequate amounts of vitamin D in your body, which may cause health problems like brittle bones and muscle weakness. There may be no symptoms and doctors don’t routinely check vitamin D levels, so many people are deficient and don’t realize it. Vitamin D is often referred to as the "sunshine vitamin" because it is produced by your body when your skin is exposed to the sun. Since vitamin D helps to keep your bones strong, a deficiency can lead to bone softening and subsequent bone pain and fractures. What Does Vitamin D Have to Do With MS? Vitamin D deficiency occurs when the body doesn’t get enough vitamin D from sunlight or diet. Vitamin D deficiency can cause loss of bone density, osteoporosis, and broken bones. Vitamin PR00p9s.

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