Injectable GHK Cu: Beginner's Guide to Copper Peptide GHK Cu (Copper Peptide) 50mg 99.80% Purity Research Peptide Miro Biotech Most peptides don't come ready to inject they come as powder for a reason. Peptides are lyophilized (freeze dried) to keep them stable and effective. When you receive them, you simply: Add GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B