intrinsic factor test after b12 injection Pernicious Anemia: Definition, Symptoms, Causes & Treatment A Brief Review on Vitamin

I think it really comes down to figuring out what the exact allergy is

Red blood cells help carry oxygen throughout the body and require vitamin B12 to function

Site rotation importance Repeatedly injecting in the same location can cause local tissue changes including lipohypertrophy (abnormal fat accumulation) or lipoatrophy (fat loss creating depressions)

[DOI] [PMC free article] [PubMed] [Google Scholar] 13.Kannt A, Pfenninger A, Teichert L, Tonjes A, Dietrich A, Schon MR, Kloting N, Bluher M

Methionine - Methionine helps the liver maintain the optimal ability to process fatty acids

Daily, the human body needs 2.4 mcg of vitamin B12