other name for b12 injection Cyanocobalamin 1000 mcg Multiple-Dose Vials 1mL x 25/Tray (Rx) Vitamin B12 is not made by the body and is provided either by diet or supplementation Cyanocobalamin - Wikipedia
Description
Just remember, its super important not to take too many shots in one go

Injections (SQ or IM) Fastest and most effective delivery method

I also have been taking centrum advanced multi vitamins for about two-three weeks

Vitamin B12 injections are a form of supplementation that delivers a concentrated dose of this essential nutrient directly into the bloodstream
