Is the lack of human data in BPC 157 a red flag? If a drug could actually knit torn tendons back together in weeks, a trillion dollar pharmaceutical industry probably wouldn't bury BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157 is one of the peptides that has been getting a lot of attention recently. It is a synthetic peptide derived from a protein found in human gastric juice. In experimental research, 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