b12 injection is iv or im How to self-inject intramuscular vitamin - Overview B12 Injections IV Infusions -

Generally, yes safety is not the weak point here

if the only choice is between cyanocobalamin and no supplement at all, take the cyanocobalamin

Historia y desarrollo El inters por 5-Amino-1MQ surgi del reconocimiento del papel de la nicotinamida N-metiltransferasa (NNMT) como enzima sobreexpresada en tejido adiposo de modelos de obesidad y en diversos tumores, donde su actividad se vincula con alteraciones del metabolismo de metilos y del NAD+

[Abstract]2025 Aug 28:e17664

Studies of the biological effect and degradation of glucagon in the rat perifused isolated adipose cell

Your doctor recommends it based on your B12 level, age, diet, and overall health