Pentadecapeptide BPC 157 and the central nervous : Neural Regeneration Research BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157: Experimental Peptide Creates Risk for Athletes I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA 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.