BPC 157 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence BPC 157 Erectile Dysfunction: What the Evidence Shows and Practical Considerations BPC 157: Miracle Healing Peptide or Hidden Danger? Orthopedic Use of BPC 157 Sports Med Review Dr. TLDR: BPC 157 has not been proven to cause cancer. But it has also not been proven safe in people with active cancer, recent cancer, premalignant conditions, suspicious lesions, or high Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports