is taking vitamin b12 nasally and by injection Best Site: Administering B12 Shots Vitamin B12 shots: Uses, benefits,
Description
doi: 10.7717/peerj.10908
The injectable route ensures the entire dose is absorbed directly into the bloodstream, bypassing the digestive system, where absorption issues often occur
NOT FOR USE BY HUMANS
Methylmalonic Acid (MMA) Test : An elevated level may suggest B12 deficiency
