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 If I take BPC157 and TB500 (thymosin beta4) combination peptide at night, what possible sleeprelated side effects might occur? BPC 157 And TB 500: Background, Indications, Efficacy, And Safety GlobalRPH BPC 157 TB 500 Blend 10MG Research Peptide Combination