BPC 157 Thymosin Beta 4 Injections Wellness at the Spa 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. Does BPC 157 Increase Testosterone Ask anyone from gym bros to marathoners to your 65 year old dad who says he's suddenly spry and you'll hear about BPC 157's potential to heal tendons and ligaments, speed up postsurgical recovery, and BPC 157: Experimental Peptide Creates Risk for Athletes