Vitamin B1, B2, B6 & B12 Injections Prity Skincare Clinic Recognizing the signs of Vitamin B12 deficiency can be crucial for maintaining overall health. Vitamin B12 plays a vital role in red blood cell formation, nerve function, and DNA synthesis. Its deficiency Injections in arm Pernicious Anaemia Society How Long Does It Take to Recover from Vitamin B12 Deficiency? YA Medical Numbness in right arm: Causes, symptoms, and treatments 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,