When symptoms do occur, they usually reflect underlying conditionssuch as liver disease, haematological disorders, or renal impairmentrather than the elevated vitamin itself
Furthermore, conserved genes regulating many fundamental cellular processes offer a complementary framework at the inter-kingdom level, assuming similar biological functions in plant and mammalian systems
This effect is related to the synthesis of lipids and myelin sheath of nerve fibers have to maintain functional integrity
Your doctor will conduct a comprehensive clinical assessment including: Detailed medication and supplement history , including over-the-counter vitamins and injections Review of symptoms suggesting liver, kidney, or haematological disease Physical examination for hepatomegaly, splenomegaly, jaundice, or lymphadenopathy Additional blood tests , such as full blood count, liver function tests, renal function, and inflammatory markers Depending on initial findings, further investigations may include: Liver ultrasound or imaging if hepatic pathology is suspected Haematology referral for blood film examination, bone marrow biopsy, or specific tests for myeloproliferative disorders Measurement of holotranscobalamin or methylmalonic acid if functional B12 status needs clarification despite high total B12 Targeted investigations based on clinical findings and following NICE guidance for suspected serious conditions Treatment focuses on addressing the underlying cause rather than the elevated B12 itself
