A deficiency in Vitamin B12 can lead to signs and symptoms like fatigue, low concentration, anemia and feelings of physical weakness
In research models, any induced discomfort is managed by the study protocol
Anaphylaxis to compounded vitamin injections: Case series and safety recommendations
Possible side effects may include injection site redness, mild tenderness, temporary headache, fatigue, nausea, or localized irritation
The benzyl alcohol in bacteriostatic water inhibits bacterial growth, keeping the solution safe for multi-dose use over approximately 28 days
Bacteriostatic water for injection is a sterile diluent consisting of sterile water with 0.9% benzyl alcohol as a bacteriostatic preservative, used in laboratory reconstitution of lyophilized peptides