1 Introduction Vitamin B12, or cobalamin, is a water-soluble vitamin, that plays an essential role in cellular metabolism, particularly in DNA synthesis, methylation processes, and mitochondrial functions ( Lactobacillus spp ) ( Clinically overt vitamin B12 deficiency, characterized by hematological and neurological dysfunctions, is relatively uncommon
In such cases, the focus should shift to investigating potential underlying causessuch as myeloproliferative disorders, liver disease, or renal dysfunctionrather than attributing symptoms to the elevated B12 itself
They will look at your medical history and might do some tests
A healthcare provider administers B12typically in the methylcobalamin or cyanocobalamin formvia intramuscular injection, usually in the upper arm or hip area