intramuscular needle size for b12 injection Vitamin Dosage Adults: Guidelines A Guide to the Best
Description
11 (2), e9302

So, patients must take vitamin B12 for life to manage their condition well

Who may be a good candidate for MIC B12 injections

A deficiency can lead to megaloblastic anemia, causing fatigue and weakness
They have no incentive to do more study as expiry dates mean unused ones will be thrown away to be replaced by newly made ones