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 BPC 157: Enhance Recovery with BPC 157 5mg Peptide Formula Most peptides arent orally bioavailable and they get broken down in the stomach. BPC 157 is a notable exception, especially the arginate salt, which is the superior form when it comes to oral Frontiers Stable Gastric Pentadecapeptide BPC 157 and Wound Healing