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 Orthopedic Use of BPC 157 Sports Med Review BPC 157 Peptide: Mechanisms, Benefits, and Scientific Applications Does BPC 157 Build Muscle? Effectiveness and Benefits PEPTIDE PLAYBOOK EPISODE 1: BPC 157 Kicking off the series with the peptide that's taken the biohacking world by storm: BPC 157. Known as the Body Protection Compound, it's praised for healing Gastric pentadecapeptide body protection compound BPC 157 and its role in accelerating musculoskeletal soft tissue healing Cell and Tissue Research Springer Nature Link