side effects of b12 injections in humans Vitamin B12: Overdose and Understanding the B12 Vitamin Shot:

Proton-pump inhibitors (e.g., omeprazole, esomeprazole, and lansoprazole), used to treat Zollinger-Ellison syndrome and gastroesophageal reflux disease (GERD), markedly decrease stomach acid secretion required for the release of vitamin B 12 from food but not from supplements

Standard treatments like corticosteroid injections can offer short-term relief, but research shows they often lose effectiveness within weeks and do little to address the underlying tissue damage driving the problem

Intramuscular injections (IM) directly deliver vitamins, minerals, and amino acids into the muscle, allowing for better absorption and faster results than oral supplements

Is there not a supply without preserve

For more information, check out our guide on choosing a portable electrocardiogram monitor