B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Your body needs vitamin B12 to keep blood cells healthy and to make your nerves work right. But what happens when you run low? Here are some signs: https: wb.md 3PSgQRg Not all pain is muscular., Burning, tingling, stabbing, or electric pain could actually be neuropathic pain meaning the nerves themselves may be involved., Pain that shoots down the arm or leg, Numbness in Left Arm: Main Causes & What to Do Tua Sade How to Stop Numbness in Arm After Sleeping Medicine TikTok B12 Deficiency: Still America's #1 Missed Diagnosis