Minor Side Effects Typical side effects are brief soreness or mild flushing
You may not get enough B12 in your diet if you are: Vegan Vegetarian Over 50 Living with digestive conditions that affect nutrient absorption, such as IBS, celiac, or Crohns disease Taking certain medications like metformin or proton pump inhibitors (PPIs) What are the symptoms of B12 deficiency

Contact your GP if you experience: Unexpected symptoms after starting B12 supplementation, including persistent skin reactions, gastrointestinal disturbance, or mild allergic manifestations Neurological symptoms such as significant tingling, numbness, weakness, or balance problemsthese may indicate B12 deficiency paradoxically, or alternative neurological conditions requiring assessment Unexplained fatigue or malaise that develops or worsens despite supplementation Concerns about medication interactions , particularly if taking metformin, proton pump inhibitors, or other medications affecting B12 metabolism [2] [4] Seek emergency medical attention (call 999) if you develop signs of a severe allergic reaction following B12 injection, including facial swelling, difficulty breathing, or widespread urticaria
Within the European Union, SEPA transfers are fast , low-cost , and usually arrive within minutes to a few hours, making the payment process smooth and simple
Curr Probl Cardiol