Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do BPC 157 Rapid Release Renewed Vitality Buy BPC 157 Nasal Spray (Pentadecapeptide (PL 14736)) 5MG per bottle 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.