Vitamin Shots in Gilbert, Chandler, & Mesa, AZ DrSkin Med Spa & Plastic Surgery Has anybody heard of high dose B12 injections slowing down ALS? If anybody is taking them, would like to know if it works and if the shots give you more energy. Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 30 mL McGuff Mecobalamin, a naturally occurring form of vitamin B12, was approved in Japan on September 24 under the brand name Rozebalamin to treat ALS.Vitamin B Injections prove to be helpful for newly diagnosed B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics