Vitamin B12 can interact with medications such as colchicine (a medicine used to treat gout), metformin (an anti-diabetic agent), excessive alcohol, vitamin C products, extended release potassium products, antibiotics such as gentamicin, neomycin, tobramycin, anti-seizure medications such as phenobarbital, phenytoin, primidone, medicines used to treat heartburn like H2 blockers such as cimetidine and proton pump inhibitors such as omeprazole, antacids such as ranitidine, cimetidine
[DOI] [PMC free article] [PubMed] [Google Scholar] 4.Rodriguez D.A., Pluchino N., Canny G., Gabay C., Straub R.H
It is not recommended for individuals under the age of 18 or over the age of 75
CODEX ALIMENTARIUS
Long COVID: An inevitable sequela of SARS-CoV-2 infection
It is shelf-stable