BPC 157: What the Research Says About Healing and Recovery Yoo Direct Health BPC 157 and the gutbrain axis: emerging links between cytoprotection and neuroregeneration 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 BPC 157 has already hit the mainstream, but should it hit your bloodstream?