b12 deficiency in spite of injections How Long to Recover From Deficiency? · PA Relief Best Vitamin B12 Injection Site:
Description
That enzyme is NNMT, nicotinamide N-methyltransferase

That does not mean anything serious is wrong, it is just a way to get clear answers

Curr Biol
The injection can be administered subcutaneously (under the skin) or intramuscularly (into the muscle)
