GHK CU vial dosage question : r PeptidePathways 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, Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health Lets talk GHK Cu , GHK Cu is a naturally occurring copper peptide that supports:, Collagen production, Tissue repair, Skin rejuvenation, Reducing Inflammation , Healthy aging, As levels Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most