giving a b12 injection Injections at Home - Safety Guide for Self-Administration Vitamin C and B12 Injection
Description
An alcohol swab should be used to clean the injection site (usually your thigh, abdomen, or upper arm)

When you deliver B12 straight to the muscle tissue, you're giving your body immediate access to this vital nutrient
4 About the Compound 5-Amino-1MQ is a quinolinium salt a small, water-soluble, membrane-permeable molecule (not a peptide)

Read it as what has been reported , not as what is known to be safe long-term
Place all of the equipment on a clean, flat surface

Currently, there is no practical way to measure individual NNMT activity to predict response
