Folic Acid : Vitamin B12 injections may interact with folic acid, a B vitamin essential for the production of red blood cells
World Health Organization (2019)
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Each vial also contains Sodium Chloride, 0.9%
Vitamin B12 may interact with different medications, so it is important to inform your doctor of all other medications, whether they are prescribed or over the counter, to be safe
Example (for a 10mg vial reconstituted in 2 mL of BAC water): Total peptide: 10mg BAC water added: 2 mL Resulting concentration: ~5 mg/mL Recommended practice: Use sterile bacteriostatic water (0.9% benzyl alcohol) for reconstitution