What causes a metallic taste in the mouth? Hilarious B12 Injection Reactions Comedy Performance Vitamin B12 is essential for your body's energy production, nerve function, and red blood cell formation. Unfortunately, many people don't realize that they may be lacking this crucial vitamin. If you're experiencing Diagnosing and treatment of Burning Mouth Syndrome? Understanding Cervical Spine Instability The impact of micronutrients on the sense of taste ScienceDirect Now offering B12 injections! If these symptoms sound all too familiar, it might be time to check your vitamin levels. B12 injections may be absorbed up to 90% more effectively than oral