BPC 157 is part of a growing list of compounds called peptides gaining interest in fitness, wellness and anti ageing circles. The buzz comes from their supposed potential to help you build muscle, BPC 157 and TB 500: Injury Healing Peptides Jonathan L. Glashow posted on the topic LinkedIn BPC 157: Experimental Peptide Creates Risk for Athletes How Long Does BPC 157 Take to Work? Timeline and Guide The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University