Should Bodybuilders Take GHK Cu? Neurogan Health The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu A naturally occurring copper peptide known for supporting skin renewal, collagen production, and overall tissue health. Amaira is where science meets longevity focused care. 246 NE 6th Ave Suite 100, GHK Cu 100MG NuRev Peptides GHK CU 107MG Thrive Peptides