b12 injection instructions when Injections at Home - Safety Guide for Self-Administration Optimal B12 Injection Sites for
Description
If breast milk or baby food does not contain enough of the vitamin, a severe deficiency can occur within a few weeks

The frequency of B12 IM injections can vary based on individual needs and the severity of B12 deficiency

A., Siddique, A., & Sulimani, R

A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes (p=0.270)
