BPC 157: The Promise and Perils of a Healing Peptide: Apple, Alex: 9798319471673: Amazon.com: Books Pentadecapeptide BPC 157 efficiently reduces radiation induced liver injury and lipid accumulation through Kruppel like factor 4 upregulation both in vivo and in vitro ScienceDirect 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 Does BPC 157 increase cancer risk because it promotes angiogenesis? This is one of the most common concerns around BPC 157, but it's also one of the most misunderstood. Angiogenesis simply means the formation