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 KPV Blend Fierce Longevity Peptides are often well tolerated, but they can still cause temporary reactions while the body adapts. Some commonly reported effects include: BPC 157 headaches, nausea, increased appetite TB 500 BPC 157 + TB 500 Combination: Benefits, Differences, and When to Use Both Revolution Health & Wellness