GHK Cu Copper Peptides: Topical vs Injectable Copper Tripeptide 1 (GHK Cu) 99% Powder Manufacturer BSTBIO Neurogan + Health GHK CU Copper Peptide 120 MCG Tablets PrettyStick Wellness peptide craze: why people are injecting drugs 'not for human consumption' Many people are being told to inject peptides like BPC 157, GHK Cu, or TB500 right over the area of pain, thinking it will deliver the peptide directly into the injured tissue. Thats simply not true. Copper Peptide GHK Cu Face Serum RegenMed Direct