Look for Methylcobalamin capsules for B12 only or B-complex formulas
Cyanocobalamin - Clinical Pharmacology Vitamin B 12is essential to growth, cell reproduction, hematopoiesis, and nucleoprotein and myelin synthesis
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
The treatment requires monitoring by healthcare professionals to ensure safety and effectiveness [1]
Have trouble swallowing
Using it for a multi-dose vial is asking for bacterial growth in a protein-rich solution