J Clin Endocrinol Metab, 96(1), 150158

Indications Reconstitution of lyophilized powders for injection (e.g., hormones, peptides) Dilution of injectable medications Used in intramuscular, subcutaneous, or intravenous routes as directed by medication instructions Dosage and Administration Dosage determined by the medication being reconstituted or diluted For parenteral use only Use a sterile needle and syringe when accessing the vial After first use, discard unused portion after 28 days Do not use if solution is discolored, cloudy, or contains particulates Contraindications Neonates (newborns), due to risk of gasping syndrome caused by benzyl alcohol Known hypersensitivity to benzyl alcohol or any component of the solution Precautions Use with caution in pregnant or breastfeeding women Caution in patients with hepatic or renal impairment Use only with medications compatible with bacteriostatic water Not for use as a standalone injection without a compatible solute Possible Side Effects Local injection site irritation or inflammation Allergic reactions: rash, itching, facial swelling, trouble breathing (rare) Benzyl alcohol toxicity in sensitive populations (especially neonates) Drug Interactions Bacteriostatic Water itself has no pharmacologic interaction

Christina took care of all my needs, And took the time to make sure I understood everything
Methyl B-12 plays a key role in so many internal processes, from healthy cell growth and energy metabolism (like burning fat and carbs) to keeping their brain and nervous system functioning optimally
When used appropriately under medical supervision, B12 injections are generally considered very safe