If I take BPC157 and TB500 (thymosin beta4) combination peptide at night, what possible sleeprelated side effects might occur? What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B BPC 157 TB 500 Capsules Starts at $249 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.