We will cover the standard protocols for intramuscular B12 dosing
10.1089/acm.2006.12.881 Summary Keywords vitamin B12, efficacy, bioavailability, therapeutic approaches, meta-analysis, cobalamin Citation Mazur M, Ndokaj A, Salerno C, Vallone J, Ardan R, Bietolini S, Carrouel F, Wilk A, Sarig R, Ottolenghi L and Bourgeois D (2025) Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis
In a 9-month monkey oral toxicity study, all female monkeys in the high-dose group showed minimal-to-slight periportal hepatocyte vacuolation
All vitamin B complex supplements tend to interfere with antibiotics' effectiveness, and therefore they should be taken at different times