BPC 157 and Regenerative Peptides: What Actually Matters Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS Anyone Else with Hashimoto's Deal with This? When Did You Start Feeling Better? Tingling, swelling, inflamation, TMJ? : r Hashimotos 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.