Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence 544 published articles on BPC 157. 36 met inclusion criteria for a 2025 systematic review. 35 were animal studies. One was clinical. Twelve patients. Seven reported pain relief. No control group. That is Frontiers Stable Gastric Pentadecapeptide BPC 157 and Wound Healing