administer vitamin b12 injections buttocks Best Injection Site: Administering B12 Shots Why is an intramuscular (IM)
Description
BNF recommends hydroxocobalamin rather than cyanocobalamin for vitamin B12 deficiency
For example: FDA communications indicate AOD-9604 was removed from Category 2 in 2024 because nominations were withdrawn, while also noting FDA would consult the Pharmacy Compounding Advisory Committee (PCAC) about potential inclusion on the 503A bulks list
Wait 510 seconds, then pull the needle straight out to prevent leakage

Those with the lowest B12 levels had the biggest risk of decline in physical function and development of muscle wasting, diminished strength, and weight loss (5)