is b12 an injection Injections B12 Injection Dosage and Frequency:

a doctor that I know said it was all covered on a Friday afternoon in a couple of hours at medical school , with many students already gone off for the weekend

It is used to treat a type of anemia in which the number of red blood cells is less due to a low level of iron in your body (iron-deficiency anemia)

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Neurological symptoms may start improving within 12 weeks, but longstanding complications can require 36 months of treatment, with some damage potentially irreversible

This article addresses the importance of maintaining good Vitamin B12 levels and the benefits associated with Vitamin B12 injections