B12 isn't a weight-loss medication
Your service made it easy to use it again, without having to go to an office 1x week
Great quality product
Internal standards are designed to support analytical consistency, not pharmaceutical, metabolic, or therapeutic use
If you still feel a little tender, applying a cold pack to the site for about 15 minutes can also provide quick relief from pain and swelling

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