What is BPC 157 and why are people talking about it? BPC 157 is a synthetic peptide derived from a protein found in gastric juice. Most of the data we have comes from animal studies, showing potential Bryan Johnson, JD, MBA, BA Arbor Research Public Website BPC 157 continues to be one of the most talked about peptides in regenerative medicine., In this conversation, Dr. Greg Jones explains why BPC 157 is gaining so much attention and how its role in CJC 1295 Peptide Experiment: Adverse Effects and Results Bryan Johnson posted on the topic LinkedIn Dr. Bryan Johnson, Atlanta Public Schools Superintendent