BPC 157 + TB 500 Peptide Blend Cell Protection & Tissue Repair Research Use Looking to purchase research peptides? For the safety and integrity of our products, we require customers to provide verification of their research facility before purchase is approved. Acceptable forms of research verification BPC 157 & TB 500 Mix Peptide Blend Beyond Peptides Two peptides that researchers have been studying for tissue repair and recovery for years: BPC 157 and TB 500. Here's what the science currently says and what it doesn't. Swipe to learn more.