Andrew Huberman consults an expert to address concerns about the potential risks of peptides BPC 157 and TB 500, particularly their possible link to tumor growth. >> Full story below Physio: How's your shoulder feeling? Patient: Good! I started BPC 157 peptides last week. Physio: [Googles furiously in real time] Raise your hand if peptide talk is suddenly part of every Caelum BPC 157 has already hit the mainstream, but should it hit your bloodstream? Benefits & Risks of Peptide Therapeutics for Physical & Mental Health