Compounded formulations may have different stability, so verify with your pharmacy
The compounding pharmacy route requires a prescription, which means a medical consultation
[DOI] [PMC free article] [PubMed] [Google Scholar] 270.Fadini G.P., Pauletto P., Avogaro A., Rattazzi M
State Reconstituted (liquid form) Storage 35.6-46.4F (2-8C) Notes Use within roughly 3-4 weeks per common community planning
These may include: Nausea and stomach upset Diarrhea Constipation Injection site redness or swelling Itching Headache Dizziness Blood clots Swelling In rare cases, some people may experience an allergic reaction to vitamin B12, which can cause symptoms such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat