Do Peptides Work? From Building Muscle to Injury Recovery Peptide Therapy in The Colony TX Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But theres limited research into their effectiveness. So how do you BPC 157 & The Gut Brain Axis: A Practitioner's Definitive Review of the Evidence Most people who talk about side effects from BPC 157 dont realize the problem isnt the peptide itself. The issue is that theyre getting unsterile, contaminated products from low quality research