Ghkcu Peptide Shot TikTok GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B GHK Cu Injectable Team Wellcore Ghk Cu Intra Nasal Spray 50 mg 0.34 oz. Westend Medical Supply Ghk Cu Intra Nasal Spray 50 mg 0.34 oz. Westend Medical Supply 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.