When using peptides, the Sub Q tissue is the correct space for injection. Here is a simple guide on how to find this space. Remember to use sterile technique, please call or Understanding Peptides: BPC 157, GHK Cu & Beyond Meeting Point Health GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Subcutaneous Injection Sites and Instructions for Safe Self Administration