The Big 3, Potential Interplay: BPC 157, Testosterone, and Growth Hormone How Sermorelin May Naturally Increase Testosterone BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157 is one of the most unique peptides naturally found in the gut and effective both orally and by injection., Oral supports gut health, while the injectable version helps with healing and Peptides are short chains of amino acids that act as signaling molecules, basically telling your cells how to function. Your body makes them naturally, but stress, poor sleep, aging, and chronic inflammation