BPC 157: Miracle Healing Peptide or Hidden Danger? 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. Most people who talk about side effects from BPC 157 dont realize the problem isnt the peptide itself. The issue is that theyre getting unsterile, contaminated products from low quality research BPC 157 Peptide Review: 8 Big Benefits (& some side effects) ISTH 2021 Virtual Congress