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 Is BPC 157 Immune System Support Really Effective? LIVV Natural We utilize many peptides clinically for telehealth patients but two of my favorite actually have some new trials in the scientific literature that I'm excited about: BPC 157 and TB 500 are speeding up how "BPC 157 causes canc*r.???" Here's what the science actually says. , The concept it promotes angiogenesis, and tumors need blood vessels to grow. Seems logical., But BPC 157 isn't a blind