For a foundational overview, see our complete BPC-157 guide
Serena TE, Carter MJ, Le LT, Sabo MJ, DiMarco DT, EpiFix VLUSG
First, verify your technique
The specific amino acid sequence is Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, with a molecular weight of 1419 daltons
Much of the subsequent work has instead concerned effects some distance from sleep, including opioid withdrawal models, stress and corticotropin responses, and antioxidant activity
More about re-balancing your microbiome (the prebiotics and probiotics) is coming up