Conditions include alcoholic liver disease, viral hepatitis, cirrhosis, and primary or metastatic liver cancer Renal dysfunction : Impaired kidney function reduces B12 elimination, causing accumulation even with normal intake Haematological conditions : Myeloproliferative neoplasms, chronic myeloid leukaemia, polycythaemia vera, and hypereosinophilic syndrome increase transcobalamin production, elevating total serum B12 Laboratory interference : Macro-B12 (immunoglobulin-bound B12) and assay interference can cause spuriously elevated results without true excess In clinical practice, unexplained hypercobalaminaemia should prompt investigation for underlying disease, particularly in patients without obvious supplementation history
4 She was managed in hospital with injection Vitamin B12 (cyanocobalamin 1000 mcg) daily for a week intramuscularly, then was advised with weekly and monthly injections
Fish and Shellfish : Salmon, tuna, and clams are excellent sources
Working well with only slight nausea as an adjustment I love Vitastir efficiency and fast delivery
Patients with peripheral neuropathy often see meaningful improvement with consistent therapy