BPC 157: Miracle Healing Peptide or Hidden Danger? Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. BPC 157 Peptide and Lyme Disease: Tissue Repair and Immune Support BPC 157 Benefits: Heal & Thrive in 2025 Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.