how to administer b12 intramuscular injection giving in thigh give b12 injection in thigh .Vastus Lateralis Injection: Safe and Effective Technique-caloplex The Truth About B12 Injections:

A seminal cost analysis published in Canadian Family Physician (2001) projected that switching patients from intramuscular B12 injections to oral supplements could save between $2.9 million and $17.6 million depending on the population studied with one Ontario analysis estimating $14.5 million in savings for 110,000 elderly patients

You just get used to it

Healthy Hair, Skin, and Nails B12 contributes to cell growth and renewal, impacting the health of your hair, skin, and nails

Either works

For the beta diversity analyses, an analysis of similarities (ANOSIM) was performed on each of the distance/dissimilarity matrices to establish whether observed clustering by treatment group was statistically significant