Patients should also be aware that certain medicationssuch as proton pump inhibitors (PPIs) and metformincan interfere with B12 absorption, though this is less relevant once on injection therapy
Forsyth JC, Mueller PD, Becker ChE, Osterloh J, Benowitz NL, Rumack BH, Hall AH
This isnt just in your head
Without sufficient B12, you might feel tired and sluggish all the time
Choline is critical for normal membrane structure and function
We suggested that the whole issue of the liver storing B-12 was wrong and that patients should be interviewed on the day that their injection is due and if he or she had none of the symptoms of Covid-19 then their treatment should go ahead