BPC 157 and the Difference Between an Evidence Gap and a Cover Up: What the entire human evidence base actually looks like, and the questions to ask next. WellFounded Founders Health & Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Everyone's talking about peptides like this so let's actually look at the science. Yes there is a study on BPC 157 and cancer. But it's a 2004 conference abstract (not even a 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 Orthopedic Use of BPC 157 Sports Med Review