Journal of Inherited Metabolic Disease
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
First, a milligram figure means nothing without its route and its vial concentration attached an oral capsule amount cannot be carried across to a reconstituted injection, and the reverse is equally wrong
It also is necessary for red blood cell production
Ugh Any advice