can you take b12 supplements with b12 injections What Are Injections? And Are They Safe? Vitamin B12 Injections: What You

This inhibition preserves cellular NAD+ levels by reducing their consumption, simultaneously increasing GLUT4 transporter expression and activating sirtuin 1, known as the "longevity gene." The compound exhibits high membrane permeability and selectivity without affecting related methyltransferases or NAD+ salvage pathway enzymes, creating targeted metabolic effects while maintaining cellular safety

Typically, B12 injections begin working immediately and the body will begin making new red blood cells within 72 hours

Then, weekly for a few more weeks

Not sure if it was the cat food, or medication/insulin he was taking but afraid to give it to him again