I Tested 3 Popular PeptidesHere's What the Science Actually Says The NATTY LINE: A nuanced perspective ranging from 'Natural Foods' to 'High Dose Multi Compound Anabolic Steroids' beyond the simplistic Natty or Not dichotomy. by REPSWITHROSCOE (Roscoe Kerby) [Scientist Athlete] Medium He didn't expect THIS Hair thinning. Clumps in the shower. Confidence taking a hit Then he tried something most people have NEVER heard of GHK Cu (Copper Peptide) Look at We have received an uptick in questions related to this substance. We felt it was best to share our policy here to bring attention to it. . OCB adheres to WADA guidelines