This is not a replacement for prescribed medical treatment
(More information) Products of animal origin constitute the primary source of vitamin B 12
Maintenance therapy for patients with neurological involvement may also be more frequent, sometimes every two months rather than three, though this should be individualised based on clinical response

Neurological: convulsions, increased intracranial pressure with papilledema (pseudotumor cerebri) usually after treatment, vertigo, headache Endocrine: menstrual irregularities, development of cushingoid state, suppression of fetal intrauterine or childhood growth, lack of secondary response of the adrenal cortex or pituitary gland, particularly in situations of stress such as trauma, surgery or illness, decreased carbohydrate tolerance, manifestations of latent diabetes mellitus, increased requirements of insulin or oral hypoglycemic agents in diabetic patients Ophtalmic: posterior subcapsular cataracts, increased intraocular pressure, glaucoma, exophthalmos Metabolic: negative nitrogen balance due to protein catabolism Psychiatric: euphoria, mood swings, severe depression to frank psychotic manifestations, personality changes, hyperirritability, insomnia Others: anaphylactoid or hypertensive reactions and hypotension or shock-like reaction Cyanocobalamin and hydroxocobalamin: hypervitaminosis and side effects were not observed with their use Dosage and administration Adults Coated tablets: 1 coated tablet 2 times a day

Yes, that includes sublingual forms of B12 as well
The evidence reality There is no robust, high-quality human outcomes literature showing that adding AOD-9604 to semaglutide or tirzepatide produces clinically meaningful additional fat loss beyond what GLP-1/GIP therapy already achieves