https://www.hypermuscles.com/f87/usi...on-date-15170/

If sealed and no particulate matter floating inside the vial, you’re good to go. Likely unable to speculate the loss in potency. It could be just as potent as the day you got it. I couldn’t imagine much potency lost to the point where you should be concerned. See below:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7040264/

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