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
At 1.67 mg/mL, the maintenance dose of 2.4 mg requires 144 units, which exceeds a standard 100-unit syringe
doi:10.1042/bj2640437
Data gathered using this blend assists in mapping out biochemical signaling networks without clinical confounding variables
All BioBond Labs products are produced as high-purity research-grade peptides intended solely for in-vitro and laboratory research
The arginine salt form, also called pentadecapeptide BPC 157 arginate, is particularly noted for being studied in the context of gastrointestinal protection and healing
