[PubMed: 8806828] 23
Bacteriostatic Water for Injection is a multiple-dose diluent containing 0.9% benzyl alcohol, while preservative-free sterile water is generally supplied for single-dose use
In the weeks leading to her hospitalization, the patient noted peripheral neuropathy, and significant weight loss from 140 lbs to 121 lbs, which she attributed to loss of taste
B12 shots are generally safe and well-tolerated

Applications in Research As a standard diluent for peptide and protein reconstitution Preparation of injectable-grade research compounds for in vitro or ex vivo studies Investigation of peptide and biologic stability following reconstitution Formulation testing and solvent compatibility studies Multi-use experimental workflows requiring bacteriostatic protection Specifications Summary Purity: Manufactured to specification Appearance: Clear, colourless sterile solution Solvent Type: Bacteriostatic aqueous diluent Preservative: Benzyl alcohol 0.9% (w/v) Solubility: Fully miscible with water and aqueous buffers Storage: Controlled room temperature Pack Size: 10 ml Handling, Use & Stability Use aseptic technique when accessing vial contents Avoid contact with non-sterile surfaces Do not use if solution becomes cloudy or discoloured Seal vial promptly after use to maintain sterility Avoid exposure to excessive heat or prolonged light Do not freeze Precautions & Notes Not all peptides or biologics are compatible with benzyl alcohol

For chronic conditions, the timeline is longer: early gains within 12 weeks, gradual functional improvement over 48 weeks, major progress within 812 weeks, and best results often after 12+ weeks