how to self inject vit b12 Vitamin Injection Self-Administration How to give yourself a
Description
BMJ 2011;343:d4002

Previous reports that megadoses of vitamin C destroy vitamin B 12 have not been supported (147) and may have been an artifact of the assay used to measure vitamin B 12 status (21)

Metformin can cause vitamin B12 deficiency , especially when it is taken for several years or at higher daily doses

Fortified with Iron, Vitamin B12, Multivitamins, and Amino Acids
