A B12 shot ensures 100% absorption, giving you that energy boost you need
Accessed August 21, 2025
Monitoring and follow-up: Routine blood monitoring of B12 levels after treatment initiation is generally unnecessary, as levels will be artificially elevated
It's crucial to inform your healthcare provider about any existing health conditions, medications, or supplements you're taking to ensure the treatment is safe for you
IM injections go into muscle, most often the outer thigh (vastus lateralis) or deltoid
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
