your health is too important
If you are weighing B12 injections against oral supplements, the right choice depends less on which method is "stronger" and more on your body, your diet, and whether you actually have a deficiency
(jofem.org) Is AOD-9604 better than semaglutide or tirzepatide
Common side effects include: Injection site reactions mild pain, redness, swelling, or bruising at the injection site, typically resolving within a few days Headache usually transient and manageable with standard analgesia Nausea or dizziness particularly in the initial treatment phase Skin reactions including itching, mild rash, or acneiform eruptions Temporary urine discolouration red or orange urine is harmless and expected Diarrhoea or flushing usually mild and self-limiting In patients with severe megaloblastic anaemia, low potassium levels (hypokalaemia) may occur during initial intensive treatment, but this is uncommon in routine maintenance therapy
It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research