### Discard the Vial If: - It has been more than 30 days since reconstitution - You see cloudiness, particles, or color changes - The vial was left at room temperature for more than a few hours - You suspect contamination (e.g., the stopper was touched without cleaning) When in doubt, discard and start fresh
Frequency of Vitamin B12 Injections The frequency of Vitamin B12 injections also depends on individual needs and the underlying cause of the deficiency
Each of these variables affects your final concentration, the stability of your solution, and the accuracy of every dose you pull from that vial for the next four weeks
Formulated with 0.9% benzyl alcohol, each vial stays sterile and stable for up to 28 days after first use giving you reliable, multi-dose access without compromising purity
however, there was no clear linear correlation, as a large proportion of the heterogeneity in efficacy was not explained by antibodies [5]