Yes, not B12 related but recently treated a dog with a previously unopened antibiotic cream that was a couple of years out of date and it worked well
Timing Guidelines : Fasted : Essential for Growth Hormone Secretagogues (GHSs) like Ipamorelin and Sermorelin
Sikiric P, Seiwerth S, Rucman R, Turkovic B, Stancic Rokotov D, Brcic L, et al
Meat: Meat, including wild meat like boar or game, is also another great source of vitamin B12 for dogs
It's amazing that my body has kept working as well as it has - well, up until the last 2 years, when everything started falling apart
Even with a preservative, improper handling can introduce microorganisms, compromising experimental results and the stability of sensitive materials