why are b12 injections better than pills vs. Oral Supplements: Which Is Better? B12 Injections vs Tablets: What

Medication Interactions Certain medications reduce the absorption of methylcobalamin, cyanocobalamin, and other B12 supplements, including: Proton pump inhibitors (omeprazole, esomeprazole, and lansoprazole) H2-receptor antagonists (cimetidine, famotidine, and ranitidine) Metformin Colchicine Cholestyramine Certain antibiotics (neomycin and chloramphenicol) If you use these or other medications, talk with a healthcare provider about ways to maintain healthy levels of B12.

The calculator above converts your draw volume into these units automatically so you can measure without doing the math by hand

It may be worth trying high dose oral/sublinguals in between injections - they can be effective for some patients - even those with PA - but don't help everyone

I also had iron deficiency anaemia at that time too which was corrected, and I also have non alcoholic liver disease so there could well be more than just B12 contributing here

In fact, clinics report that some of them ask for general anesthesia before simple shots