Bariatric Surgery Supplements: B12 Mexico Bariatric Center I Will Never Let A Doctor Give Me This B12 shots are not helpful. Anything that is injected through the skin, that travels to and is released into the muscle, can result B12 Shots Do You Need a Prescription? A Complete Guide Carter's Walk In + Urgent Care Vitamin B12 Shots: Do They Actually Work? Business Insider B12 Shots Do You Need a Prescription? A Complete Guide Carter's Walk In + Urgent Care B12 Shots & B12 Injections: The Good, Bad and Alternative!