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, The Peptide Craze Ground Truths 'People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian BPC 157, 500 mcg, 60 Capsules Injectable peptides touted as new fountain of youth. But the science isn't there CBC Radio