What Vitamin Deficiency Causes Sciatica 2026: Evidence and Testing Guide
What vitamin deficiency causes sciatica? The research points most strongly to vitamin D deficiency, with moderate evidence for vitamin B12 deficiency and emerging evidence for magnesium deficiency as contributors to sciatic nerve pain through distinct mechanisms involving bone metabolism, nerve myelination, inflammation, and muscle function. Vitamin deficiency rarely causes sciatica on its own in the…

