Can GHK Cu Be Taken Orally? Oral GHK Cu Bioavailability, Tablets & Copper Peptide Safety Neurogan Health GHK Cu Peptide: Why This Regenerative Peptide Is Getting So Much Attention My 1 month update on GHK CU, I love sharing my real true experiences with you guys and the results have actually been amazing so far !! , Would you try this copper peptide? , #arizona#arizonamedspa, 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening.