bpc 157 oral bioavailability studies BPC-157 Double Strength BPC-157 Explained: Benefits, Safety &
Description
If gentle rolling doesn't dissolve it within 5 minutes, let the vial sit at room temperature for 1530 minutes

You may feel a slight pinch or warmth at the injection site, but discomfort is minimal

Cerovecki T, Bojanic I, Brcic L, et al

However, it is extremely hard to tell whether your B12 levels are low, to begin with
