Detection and in vitro metabolism of the confiscated peptides BPC 157 and MGF R23H Cox 2017 Drug Testing and Analysis Wiley Online Library While not all peptides are orally bioavailable, BPC157 has been shown to be stable for over 24 hours in human gastric juice. I've personally used both oral and injectable BPC with myself I wouldn't dare take these drugs': how China supplies untested peptides to the west How long does BPC (Body Protection Compound) 157 remain detectable in urine?