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 Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157: The peptide with big claims and scant evidence STAT Detection and in vitro metabolism of the confiscated peptides BPC 157 and MGF R23H Cox 2017 Drug Testing and Analysis Wiley Online Library