People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian Peptides seem to be everywhere right now., Weve been looking into a few, like copper peptides, BPC 157, and TB500, mostly from a recovery and skin support standpoint. Still learning, still observing, Can BPC 157 Cause Erectile Dysfunction? The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review