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 Stable Gastric Pentadecapeptide BPC 157 as a Therapy and Safety Key: A Special Beneficial Pleiotropic Effect Controlling and Modulating Angiogenesis and the NO System Do Your Symptoms Get Worse When You Stand Up? BPC 157 Side Effects: What You Should Know Elive Health & Wellness What is BPC 157? Everything to know about this peptide