does a vitamin b12 injection hurt why is so painful Vitamin B12 Deficiency & Nerve Problems : What You Must Know why does b12 injection hurt

Higher absorption rate The intramuscular injection method ensures a 95% absorption rate compared to oral supplements, which have only 50% absorption

Epigenetic and Cellular Reprogramming: By blocking NNMT-mediated methylation of nicotinamide, preserves NAD salvage pathway activity, increases SIRT-1 signaling, reduces histone deacetylation, and promotes metabolic reprogramming toward oxidative phosphorylation and glycolysis balance, supporting tissue repair and energy homeostasis 1-4

That is, after the initial treatment with injections of B12, dietary supplements of B12 (cyanocobalamin tablets) may be advised instead of injections

It is found in meat, fish and dairy products and has an important role in many cell functions