what happens when you inject vitamin b12 How to Give Injections at Home to Yourself · PA Relief Vitamin B12 Injections: Unlock Energy,

[13] In a newly diagnosed vitamin B 12 -deficient patient, normally defined as when serum levels are less than 200 pg/ml, daily IM injections of hydroxocobalamin up to 1,000 g (1 mg) per day are given to replenish the body's depleted cobalamin stores

The formation of red blood cells requires B12

1a, normal SD rats were placed in open field boxes to compare baseline and peptide-induced locomotor activities among the three treatment groups ( n = 68 animals per group)

I have been self-injecting B12 at about 2 injections a week (or more) since 2016

clinical relevance

Patients with early Leber's disease (hereditary optic nerve atrophy) who were treated with cyanocobalamin suffered severe and swift optic atrophy