BPC 157 and the gutbrain axis: emerging links between cytoprotection and neuroregeneration 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 BPC 157 Pure BPC 157: What you need to know before you try it You are hearing more about BPC 157. Patients ask about it daily. Here are the most common questions answered. What is BPC 157? BPC 157 Sublingual BPC 157 TruHealth Physical Therapy