What vitamin deficiency causes weakness in the arm? Explaining the link to B12 and D
•
4 min read
According to the National Health and Nutrition Examination Survey, a significant percentage of adults have inadequate vitamin D levels, a common cause of muscle weakness. But which vitamin deficiency causes weakness in the arm specifically? Several key vitamins, including B12, D, and E, play vital roles in nerve and muscle function, and a lack of any of them can lead to impaired strength and function in the extremities.
