It is banned by WADA for competitive athletes and should not be marketed as a supplement or drug
Sikiric, P., Seiwerth, S., Ruman, R., Turkovi, B., Rokotov, D., Bri, L., Sever, M., Klicek, R., Radi, B., Drmic, D., Ili, S., Kolenc, D., Stambolija, V., Zorii, Z., Vri, H., & ebei, B
BPC-157 (Body Protection Compound-157), also designated as PL 14736, is a synthetic pentadecapeptide composed of 15 amino acids (Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val) that was first isolated and identified from human gastric juice in the early 1990s
it feels uncomfortable when the needle goes in, seems to hit bits of tissue fibre which block the needle
Development 137 , 5361 (2010)