BPC 157 Peptide Therapy New Results Medical Weight Loss BPC 157 Therapy and the Permanent Occlusion of the Superior Sagittal Sinus in Rat: Vascular Recruitment BPC 157 And TB 500: Background, Indications, Efficacy, And Safety GlobalRPH BPC 157 is the OG peptide that started the craze, and for good reason. BUT because one of the primary mechanisms of BPC 157 is to up regulate blood vessel formation, its led to 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