BPC 157 is one of the most unique peptides naturally found in the gut and effective both orally and by injection., Oral supports gut health, while the injectable version helps with healing and People talk about BPC 157 like it's one thing. It isn't. Oral BPC 157 stays local. It survives digestion long enough to act on the GI mucosa, then clears before it reaches systemic circulation. Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype Sublingual BPC 157 TruHealth Physical Therapy