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 Peptide Therapy: What Is It and What Are the Benefits?: Bio X Weight Loss Center: Weight Loss Centers How Long Does BPC 157 Take to Work? Timeline and Guide BPC157 Therapy Des Moines Peptide Therapy Iowa IV