Peptide side effects no one talks about BPC 157 headaches. TB 500 fatigue. CJC Ipamorelin water retention. Most people quit. But 90% of the time it's the protocol, not the peptide. BPC 157 vs TB 500 Peptide Which is Better for Injury Healng? 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, What Science ACTUALLY Says About TB 500 Benefits