how long b12 injection last Vitamin Dosage For Adults: A Comprehensive Guide How Long Does a B12

chronic liver disease and hepatitis may present with elevated levels Renal impairment : Reduced clearance can contribute to accumulation, though this is rarely clinically significant Solid tumours : Certain malignancies, particularly hepatocellular carcinoma and metastatic disease, may elevate B12 levels [3] Evidence suggests that unexplained markedly elevated B12 levels without supplementation may sometimes be associated with underlying disease

Adequate B12 is essential for: Healthy nerve function and myelin sheath formation

They might start with 1,000 mcg daily for a week

The body can do this but many times the reason the deficiency exists is because there is some venerability with formation of methyldonors (like methylcobalmin)

nerves take time to heal, but adequate B vitamins remove the roadblock to nerve repair