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B-12 (cobalamin): Cobalamin or cyanocobalamin is usually just called vitamin B12 when sold as a supplement or listed as an ingredient
Hydroxocobalamin is the preferred B12 formulation in the UK due to its longer duration of action compared to cyanocobalamin
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
Early signs of declining B12 levels include profound fatigue, tingling or numbness in extremities, cognitive changes, and balance problems requiring medical review
Each pack contains 5 ampoules ready for injection.
