Other than GI-related side effects, patients on semaglutide also report serious side effects, such as kidney problems, pancreatitis, gallbladder disease, hypoglycemia (low blood sugar), and severe allergic reactions
Moreover, according to 2016 research out of Johns Hopkins University, the risk of giving birth to a baby who later develops ASD is three times higher in those with "very high" blood serum B12 levels
Hyperhomocysteinemia and Alzheimer's disease: A systematic review
Lipo injections require a prescription

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

No significant adverse effects were reported at doses up to 1mg per day over 24 weeks