b12 injection for humans Vitamin Injections (Cyanocobalamin Injections) — Mountainside Medical How to Give B12 Injections

The final dataset contained 273,923 cells

If the patient is critically ill, or has neurologic disease, an infectious disease or hyperthyroidism, considerably higher doses may be indicated

So, when you eventually persuaded your GP to treat you with injections, you should have received 6 x loading doses of B12 on alternate days and then injections every other day until no further improvement (perhaps for many months) and then B12 injections every eight weeks (though this is not enough for some people - but that's another story)

In short, B12 keeps our brains sharp, energy levels up, and cells functioning correctly