Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 aids cartilage health, but can fuel cancer growth by promoting vascularization. Tumor cells become greedy, metastasizing uncontrollably. Peptides might be mainstream in 5 years. #BPC157 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 Most people using BPC 157 and TB 500 are missing the one peptide that makes both of them work better. Cartalax works at the genetic level to restore how your stem cells actually function, turning off BPC 157 has already hit the mainstream, but should it hit your bloodstream?