← Royal Fitness Club Educational information only — not a substitute for medical advice. Read disclaimer ·
Do not diagnose based on one lab value. Ranges vary by lab, method, age, pregnancy and medicines — always interpret trends with your doctor.
Serum cobalamin.
>300 pg/mL desirable; 200–300 borderline with symptoms needs review.
Methylcobalamin or cyanocobalamin both work; dose and route depend on level and symptoms.
This website provides general educational information and is not a substitute for professional medical diagnosis, treatment or emergency care. Always consult a qualified healthcare professional.