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The Number One Vitamin Deficiency Behind Most Nerve Problems

Nick Howarth

Published on: 07/01/2026

If you’ve ever dealt with nerve pain, tingling, burning feet, anxiety that won’t switch off, or a racing mind at night, there’s a good chance you’ve been told it’s “just stress,” aging, or something you’ll have to live with. In many cases, that explanation is wrong. There is one vitamin deficiency that sits behind a huge number of nerve, brain, and autonomic nervous system problems—and most people are quietly running low on it.