Under conditions of metabolic stress, it migrates to the cell nucleus, where it activates a suite of genes governed by AMPK (AMP-activated protein kinase), the master cellular energy sensor
This seemingly technical interaction has profound implications for healing
Cyanocobalamin clears faster and requires more frequent dosing, so it has largely fallen out of routine use here

Vitamin B12 (5000 mcg/ml) [100 mL] Highlights: SKU: 13300 Manufacturer: Henry Schein Animal Health In surface plasmon resonance (SPR) analysis As a constituent in vitamin mix solution in in vitro gut simulator All prescription products are dispensed by our Pharmacy Partner Prescription Vitamin B12 in injectable form for multiple species As a medium supplement in neonatal rat ventricular myocytes (NRVM) Treats conditions associated with Vitamin B12 deficiency and anemia Injectable Vitamin B12 may be given subcutaneously or intramuscularly As a constituent of simulated plasma protein mixture for Raman spectra analysis B12 or supplements, as vitamin B12, is only found naturally in foods of animal origin As a standard in size exclusion inductively coupled plasma mass spectroscopy (SEC-ICP-MS) For use in managing vitamin B12 deficiencies associated with cobalt deficiency, inadequate intake, or intestinal malabsorption in cattle, horses, sheep, and swine

Novo Nordisk vs Eli Lilly: The GLP-1 Battle Two trillion-dollar companies
Like you make so much growth hormone response to that