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. We've been looking into a few, like copper peptides, BPC 157, and TB500, mostly from a recovery and skin support standpoint. Still learning, still observing, and What Are Peptides Used For? Benefits, Uses, Side Effects & Natural Sources Xandro Lab BPC TB 5 Beverly Hills Rejuvenation Center