Oral Liposomal Copper GHK Peptide Therapy for Injury Repair: Faster Healing with Regenerative Orthopedic Support Meeting Point Health Can GHK Cu Be Taken Orally? Oral GHK Cu Bioavailability, Tablets & Copper Peptide Safety Neurogan Health GHK Cu is a copper peptide known for supporting skin repair, collagen production, and overall tissue healing., Traditionally, its taken as an injection but that can come with irritation, bruising, or