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

B12 Injections One injection: $25 / Package of 5 injections: $100 Vitamin B12 is commonly used to treat deficiency caused by medical conditions and supplement those at risk including those who have vegans/vegetarian diets, are pregnant/lactating, or are older adults
The MHRA advises checking B12 levels in patients taking metformin who develop symptoms of deficiency or have risk factors, with periodic monitoring in at-risk patients
Understanding the causes and solutions can help you steer the path to recovery
Benefits, Downtime & Results You want smoother skin and smaller pores, but you refuse to look frozen