On August 15 2025, the U.S. Food & Drug Administration (FDA) issued a Warning Letter to Platinum Biologics LLC for marketing umbilicalcordderived products including exosome products (NanoEx & Nano Xsomes) without approval. BPC 157 5mg TB 500 5mg (blend) Loti Labs Big FDA review coming this July. Here's what athletes and patients should know about BPC 157, TB 500, and the broader peptide conversation. Always speak with your physician before starting any new protocol. #bpc157 # The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University