b12 where to inject How self-inject intramuscular vitamin - Overview Instruction Guide for Intramuscular (IM)
Description
In 2018, a Biochemical Pharmacology study reported that membrane-permeable NNMT inhibitors given to obese mice cut white fat mass and body weight and shrank adipocytes [5]
B12 supports normal energy metabolism and red blood cell production, so correcting a genuine deficiency can help you feel and perform like yourself again, but shots are not a proven performance enhancer for people who are not deficient

You can inject in several different sites

In the United States, injectable B12 is technically a prescription medication
