BPC 157 is part of a growing list of compounds called peptides gaining interest in fitness, wellness and anti ageing circles. The buzz comes from their supposed potential to help you build muscle, BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157 Benefits: Heal & Thrive in 2025 Peptides are short chains of amino acids that act as signaling molecules, basically telling your cells how to function. Your body makes them naturally, but stress, poor sleep, aging, and chronic inflammation BPC 157 and Regenerative Peptides: What Actually Matters