Shelf life is usually much longer than the expiration date
B., Nowak, J., Skjaerbaek, C., Flyvbjerg, A., Andreassen, T
Packaging container: Amber Glass Made Multi-Dose Vial-Picture Courtesy: Vet-N-Pet DIRECT Multi-dose vials are used to dispense vitamin b12 injection for dogs and these vials contain preservatives to avoid instability in formulation
Some patients feel as though they want more frequent injections, and occasionally we test levels to see if they are receiving adequate replacement, but Im not sure how strong the evidence is to support this. GPs should consider periodic vitamin B12 testing of higher-risk patients who take metformin, even if they dont display symptoms of deficiency, the UK medicines regulator said earlier this year