It is used to study signaling pathways, molecular interactions and as a tool in the development of analytical methods

Contact your GP if: You have been found to have elevated B12 levels and have not received an explanation or follow-up plan You are taking high-dose B12 supplements without medical supervision You develop new symptoms whilst taking B12 supplements, particularly skin changes, persistent headaches, or gastrointestinal symptoms You have risk factors for liver disease (alcohol excess, viral hepatitis, obesity) and have elevated B12 You experience unexplained weight loss, night sweats, or persistent fatigue alongside elevated B12 Seek urgent medical attention if you experience: Jaundice (yellowing of skin or eyes) Severe abdominal pain or swelling Unexplained bruising or bleeding Confusion or altered consciousness Severe, persistent vomiting These symptoms may indicate serious underlying conditions such as acute liver failure, haematological emergencies, or other critical illness requiring immediate assessment
For example, use retinol at night and GHK-Cu in the morning
Ask a close friend, companion, spouse, or relative to learn how to administer vitamin B12 shots, or at least hold a mirror for you while you give yourself the injection, and rub out the pain afterwards to prevent bruising and other painful side effects