The shots are usually administered by a medical doctor or a dietitian in weight loss clinics or medical spas
Our vitamin B12 injections provide a direct and highly absorbable dose of this important vitamin
Even if the product could be reclassified to make it available for sale in pharmacies, it could not be used more frequently than every 2 3 months, so reclassification to a Pharmacy medicine would not help those who require more frequent injections. and then they also state: Our current advice to private clinics administering vitamin B12 injections which are not licensed medicinal products intravenously for non-medicinal purposes is that we do not regard these to be medicines and that they fall outside of the remit of the MHRA

Common adverse effects include: Injection site reactions pain, redness, swelling, or bruising at the intramuscular injection site Gastrointestinal disturbances nausea, diarrhoea, or abdominal discomfort Headache and dizziness particularly following initial doses Skin reactions including rash, pruritus, or acne-like eruptions Flushing temporary redness of the skin Chromaturia red-coloured urine (harmless but can cause concern if unexpected) Less common but more serious reactions include: Hypersensitivity reactions ranging from mild urticaria to anaphylaxis (rare but potentially life-threatening) Hypokalaemia particularly during initial treatment when rapid cell production occurs [5] [16] Temporary changes in blood counts during correction of deficiency Interference with laboratory tests primarily with high-dose IV hydroxocobalamin used for cyanide poisoning, not typically with standard 1mg IM replacement doses Cautions and contraindications: Hypersensitivity to cobalt or vitamin B12 Cyanocobalamin should be avoided in Leber's hereditary optic neuropathy [2] [17] Chloramphenicol may reduce the haematological response to B12 therapy Patients receiving B12 injections outside clinical necessity face unnecessary risks without proven benefit

Users engaging in long-term use should implement regular monitoring through comprehensive health assessments and laboratory testing
L., Layden, A