b12 sc injection Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL, 10/Tray how much b12 is in
Description
Why certain patients require more frequent treatment is not understood

Any use in sports may lead to disqualification or suspension

[DOI] [PubMed] [Google Scholar] 231.Wilson-Fritch L, Nicoloro S, Chouinard M

This depends on your degree of deficiency and individual response
