GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Subcutaneous Injection Done Right the part of peptide protocols nobody teaches you. Wrong technique = wasted dose. Save this so you do it right. Full guide + reconstitution calculator at For a GHKCu (coppercomplexed glycylhistidyllysine) solution prepared at 1 mg mL, how many insulinsyringe units (1 unit = 0.01 mL) should be drawn for a specific dose? GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy