how long does b12 injection stay in your body a Shot Last? Duration, Benefits & Timing How Long Does a B12

Arch Gen Psychiatry

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Vitamin B12 plays a crucial role in various bodily functions, including energy production, red blood cell formation, and neurological health

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)

Hold the skin firmly and create a V-shape with your thumb and forefinger to ensure proper administration

Together, these effects help people feel more energised, resilient, and balanced in both body and mind