Vitamin B12 Injection We Come to You ASAP IVs IV Hydration Experts of San Diego, Phoenix, Scottsdale, San Francisco Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog If you have a low vitamin B12 level, injections can go a long way toward improving your health and well being. But if your B12 level is normal, don't fall for claims that Vitamin B 12 Injection, 1,000 mcg mL