Can GHK Cu Be Taken Orally? Oral GHK Cu Bioavailability, Tablets & Copper Peptide Safety Neurogan Health If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation GHK CU Crepey Skin Escape