Peptides like BPC 157, TB 500, and growth hormone secretagogues are increasingly marketed for recovery and injury healing., But what does the science actually say?, Most evidence comes from animal BPC 157 Peptide and Lyme Disease: Tissue Repair and Immune Support The peptide problem: Hype is outrunning the evidence BPC 157: Experimental Peptide Creates Risk for Athletes BPC 157 Banned: Key Facts on the Latest FDA Decision