What vitamin deficiency causes myopathy? A guide to nutritional muscle weakness
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5 min read
According to research, up to 40% of adults may have a vitamin D deficiency, a primary answer to the question, **what vitamin deficiency causes myopathy?**. Severe insufficiency of this vital nutrient can lead to a specific form of muscle weakness known as osteomalacic myopathy, which is often treatable with supplementation.