Cynocan 12 Injection American Remedies B12 Shots: Vitamin B12 Injections Benefits, Uses, Risks Dr. Axe Did you know long term use of PPIs like pantoprazole (Protonix) can cause: B12 deficiency hypomagnesemia calcium malabsorption which can lead to bone fx acute interstitial nephritis Benefits of B12 Injections: Boosts energy levels & reduces fatigue Supports brain function & mental clarity Helps produce red blood cells Supports metabolism & overall wellness