B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Sandoz Vitamin B12 Injectable Solution 1000 mcg 10 mL Vitamin B12 Vitamin B12 Injections and Weight Loss: How Does it Work? How often should vitamin B12 injections be administered and how frequently should laboratory monitoring be performed? Vitamin B12 Injections Clinic Near Me in Shoreline WA Vitamin B12 Injection Dosage Duluth GA