That BPC 157, originally found in a longer form in stomach juices, was recently banned for being a non-approved substance, while the growth hormone secretagogues also feature on WADAs prohibited list under peptide hormones, growth factors, related substances, and mimetics. It can be challenging for laboratories to detect this type of doping, though
BPC-157 (Body Protection Compound-157), also written BPC 157 or BPC157, is a synthetic pentadecapeptide of fifteen amino acids, sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (GEPPPGKPADDAGLV), molecular formula CHNO, molecular weight 1419.53 g/mol, CAS 137525-51-0
IM stays elevated for slightly longer at the injection site
They bind to receptors on cells and trigger a range of biological effects, from the regeneration of tissue to the production of hormones making them an increasingly important class of drugs
I have been using for a long time