Can a B12 deficiency cause nerve pain in the legs and arms?
1. Introduction Yes, a vitamin B12 deficiency can cause significant nerve pain in the legs and arms. Vitamin B12, or cobalamin, is an essential nutrient strictly required for the synthesis and maintenance of the myelin sheath, the protective coating that insulates peripheral nerves. When B12 levels become deficient, this protective sheath deteriorates, leaving the underlying … Read more