A 2021 review examining NNMT as a drug target explicitly notes that NNMT-inhibitor drugs remain limited in clinical use and that the field is still working out selectivity and delivery
Chemical substances shall not be used as a drug, medicine, active substance, medical aid, cosmetic product, a substance for production of a cosmetic product neither for human consumption that is any food or food supplement or otherwise similarly used on humans or animals
B12 injections help when you only need vitamin B12 support
Clinical Indications for B12 Intravenous Treatment B12 IV treatment is for severe deficiencies, when oral supplements dont work
2,9,10 At the start of oral vitamin B12 replacement therapy, close monthly monitoring of laboratory results and symptoms is recommended, thereafter annual monitoring should suffice
The active species is the cation CHN at 159.21 g/mol, and it is supplied as the iodide salt, CHIN, molecular weight 286.11 g/mol, CAS 42464-96-0