But despite being one of the most commonly used laboratory reagents in peptide research, bacteriostatic water generates a steady stream of questions from Canadian researchers: what is it actually, does it need refrigeration, how long does it last, how does it differ from sterile water, can you use it for multiple peptides, and what happens if you use the wrong kind of water instead
longer-term recovery and body-composition benefits are not established in controlled human trials

You should contact your GP if: You have been found to have elevated B12 levels on blood tests, particularly if levels exceed 1000 ng/L (approximately 740 pmol/L, though laboratory reference ranges vary) and you are not taking high-dose supplements You develop new symptoms after starting B12 supplementation, including persistent skin rashes, significant gastrointestinal disturbance, or unexplained symptoms You have underlying liver disease, kidney problems, or blood disorders and are considering B12 supplementation You are taking B12 supplements without medical supervision and have not had your levels checked, particularly if taking doses exceeding 2000 micrograms daily You experience symptoms that might indicate underlying disease, such as unexplained weight loss, persistent fatigue, jaundice, or abdominal swelling Call 999 or go to A&E if you develop severe allergic reactions following B12 injections, including difficulty breathing, facial swelling, or widespread rash, as these may indicate anaphylaxis, though this is extremely rare

This is important when we talk about the R20.0 ICD-10 code