Peptide Series #2 BPC 157 Your body already makes this peptide. BPC 157 is naturally found in your gastric juice it's part of how your gut protects itself. Scientists isolated it, Pentadecapeptide BPC 157 Interactions with Adrenergic and Dopaminergic Systems in Mucosal Protection in Stress PDF) Pentadecapeptide BPC 157 Interactions with Adrenergic and Dopaminergic Systems in Mucosal Protection in Stress Akathisia is caused by drug induced dopamine receptor blockade, usually in the striatum. A gut produced peptide called BPC 157 often used for injuries has been recognised to reverse D receptor blockade, and repair dopaminergic Peptide therapy with pentadecapeptide BPC 157 in traumatic nerve injury ScienceDirect