Oral Liposomal Copper GHK Liposomal GHK Cu Supplement GHK Cu Revival Clinic GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health GHK Cu Topical Spray Wells Pharmacy Network Your body made this peptide every day until you turned 30. Then it stopped. GHK Cu (copper peptide) is a naturally occurring tripeptide discovered in 1973. At age 20, your plasma levels sit