B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics The Benefits Of Vitamin B12 Ugly London. Acupuncture & Chinese Herbal Medicine 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 WHY GET A B12 SHOT? Supports energy production Helps concentration and mental clarity Important for healthy red blood cells Supports the nervous and immune systems May help Benefits of B12 Injections for Optimal Health