loading dose b12 injection VITAMIN 3000 mcg B12 Shots Dosage for Adults:

Always inform healthcare professionals about all supplements you take, as this information aids comprehensive clinical assessment and medication review

And how replacement therapy helps/doesnt help

Oral treatment of pernicious anemia with vitamin B12 without intrinsic factor

Full Blood Count, Blood Film and Red Cell Indices A full blood count is performed routinely in patients with CD and may show low Hb, mean cell volume (MCV) (average volume (size) of the (RBC), mean cell hemoglobin (MCH) (average hemoglobin content in a RBC), and mean cell hemoglobin concentration (MCHC) (average hemoglobin concentration per RBC)