what is purpose of b12 injection Are Vitamin Shots Right for You? Sandoz Vitamin B12 Injectable Solution

The following eligibility criteria were used: Baseline characteristics are shown below

Aseptic technique per draw: Pharmaceutical handling documentation and community sources consistently describe the same sequence: The rubber stopper surface is wiped with a fresh alcohol swab before each puncture The alcohol is allowed to air-dry (community sources cite 10-30 seconds) A fresh, sterile needle is used for each draw The needle is inserted at the documented angle through the stopper center The required volume is drawn and the needle is removed Needle reuse

doi:10.1097/mcg.0b013e3181e883dd 66Sternthal MB, Murphy SJ, George J, et al

This is not a rare mutation, but rather a common variant that causes a change in how the gene functions