what if b12 injections dont work How Quickly Does Shot Work? Does It Help to Lose Weight? B12 Injections at Home -

Tardy, A

The best result was a modest 2.6 kilograms in a short trial, and that result did not hold up in the larger, longer study designed to confirm it

Pernicious anaemia is caused by a deficiency in vitamin B12, due to atrophic gastritis, an autoimmune condition (immune system destroys self), in this case the parietal cells of the stomach that produce intrinsic factor, a glycoprotein that binds to vitamin B12 in the stomach and is essential for normal absorption of vitamin B12 in the small intestine into the blood

While shots won't turn you into a genius, they can help reverse the brain fog and mental sluggishness that comes with deficiency