b12 injections 1000mcg im Cyanocobalamin (Vitamin B12) Injection 1000 mcg/mL, Multiple Dose Vial 1 mL, 25/Tray made form of vitamin B12 Amazon Pharmacy: Vitamin B12 (Injectable

There are some companies that pasteurise their products and package them in air tight containers so that they will last at least a year or two but then put "short" dates on them to encourage customers to think they are "fresh" and to encourage turnover

The powder form is generally more stable than reconstituted solutions

Treatment for B12 deficiency can be oral, applied under the tongue or administered through the nose, or it may require various types of injections

The corrin ring structure, which is the molecular backbone of vitamin B12, appears to alter the pharmacokinetic profile in a way that reduces central nervous system exposure to the emetogenic (nausea-causing) effects while preserving the metabolic benefits