Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Not all peptides are created equal. And not all peptide sources are safe. At Synergy, every protocol starts with a complimentary consultation with a provider who actually knows what they're doing.