Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype What do we know about 'research only' peptides? Q&A with expert Stuart Phillips McMaster News Operation Warning: BPC 157 is a synthetic peptide and an unapproved drug, often promoted with misleading claims. It is prohibited and on the DoD Prohibited Dietary Supplement Ingredients List. Don't gamble There's a common misconception about peptide injections that targeting them directly at pain sites is more effective than abdominal injection. However, when you inject peptides like BPC 157