BPC 157: Experimental Peptide Creates Risk for Athletes Bpc 157 and TB 500 My protocol and results explained! I've talked about this with probably a dozen different guys over the last 4 months so hopefully this helps someone else. #progress # 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. Peptides and the Role They Play in Treating Foot Pain Lighthouse Foot and Ankle