For laboratories conducting in vitro or specialized in vivo studies requiring liquid solution: Diluent: Use deionized water or a physiological saline solution for solubility
Therefore, even though B12 may come in more concentrated dosages with oral administration, the IM shots still provide the best way to correct B12 deficiency
Specifically, eligible studies included participants (P) with a confirmed diagnosis of vitamin B12 deficiency, interventions (I) involving oral or sublingual vitamin B12 administration, comparators (C) using intramuscular supplementation, and outcomes (O) reporting changes in serum vitamin B12 or homocysteine levels
For anyone struggling to keep food or supplements down during illness, IV delivery removes the absorption barrier that makes oral intake unreliable
Journal of physiology and pharmacology: an official journal of the Polish Physiological Society, 60 Suppl 7 , 115122