What is a vitamin B12 blood test?
A vitamin B 12 blood test measures vitamin B12 deficiency in people. Not only this, it also helps in the diagnosis of a genetic disorder known as methylmalonic acedemia.
Last updated on 23 May 2023
A serum vitamin B12 level between 200 pg/mL and 900 pg/mL is considered normal, however, values ranging between 300 to 350 pg/mL is recognised as a marker for a desirable status in the elderly.
Vitamin B-12 is synthesised and utilised by bacteria in the human gut microbiome. However, not substantial research is done to establish the same statement.
It is not very dangerous, however, excess amounts of vitmain B12 can cause headaches and nausea.
High levels of serum cobalmin may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin. You are recommended to check with a doctor.
Cyanocobalaomin, Methylocobalamin, Vit B12
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