How often do you obtain B12 injections for weight loss? FREE B12 injections the month of October no purchase necessary. 1 per a person. This is to show appreciation to our customers. It also allows new clients the opportunity to try vitamin Vitamin B12 Injections Energy Boost The Center Medical B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Benefits of Vitamin B12 Injections for Skin How to Give a B12 Injection: Step By Step Instructions