GHK Cu Protocols and Dosages The Peptide Report Subcutaneous Injection: What It Is and How to Give One If you're taking the Retatrutide from me, make sure to stock up on Vitamin K2 & D6, (clicks) and Electrolytes (Natures Healing Pretoria) it's imperative that you optimise on all aspects! Im on Retatrutide, NAD, SEMAX, GLOW, GHK CU, GLUTATHIONE. These peptides work great for me and Im not SAYING SHOULD GET ON IT TOO SO DONF COME FOR ME , thank you #fyp #peptideskincare #peptide GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026)