Your body also needs B12 for the development of your central nervous system (your brain and spinal cord)
After the initial treatment period, maintenance doses may be given less frequently
Twenty-eight days from first puncture is the working limit, taken from CDC injection-safety guidance and USP 797 for multiple-dose containers
Healthcare professionals in hospitals, clinics, compounding pharmacies, and research labs trust Pfizers quality and consistency
Vitamin B12 deficiency and pernicious anaemia Peer reviewed by Dr Doug McKechnie, MRCGPLast updated by Dr Colin Tidy, MRCGPLast updated 5 Jul 2024 DownloadDownload Share Language Discussion Audio Version Add to preferred sources on Google In this series:AnaemiaDiets suitable for people with anaemiaFolic acid deficiencyIron-deficiency anaemiaMacrocytosis and macrocytic anaemia Vitamin B12 is essential for life
Store B12 injections in the refrigerator