This review of BPC 157 states directly that the peptide is not destroyed in human gastric juice and remains native and stable in it, which is the property that distinguishes it from most peptides and is the basis for giving it by mouth. The authors survey its wide range of reported effects and discuss possible relationships with neurotransmitter activity. Stability in gastric juice is a stability finding, not a measured absolute bioavailability percentage. This is review evidence and does not establish efficacy or safety in human populations.
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BPC 157 resists gastric degradation, supporting oral dosing; review covers broad mechanistic effects worth discussing with patients.