Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 is one of the most talked about peptides and for good reason. Originally discovered in the gastric juices of the stomach, this peptide helps protect and repair the intestinal lining and Should a patient continue taking BPC 157 (Body Protection Compound 157) and Tesamorelin (growth hormone releasing factor) stacks if they have symptoms of laryngitis and cold sores? We use the BPC 157 capsules from InfiniWell as they use the arginate salt which is the better form of BPC. To help out, we have a 20% patient discount code on our website BPC 157 Weight Loss: Evidence & Safety