can you use ghk cu topical GHK-Cu Serum: Benefits, Mechanism & Research Guide GHK-Cu Dosage: Protocols & Charts
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35 In a rabbit model of osteoarthritis, intra-articular injection of AOD-9604 combined with hyaluronic acid (HA) demonstrated improvements in cartilage morphology and joint surface integrity

If used in such cases, it requires close monitoring and shared decision-making with healthcare professionals

Both produce a clear, injectable solution

This established that the peptide is not limited to local gastrointestinal action but reaches systemic circulation at biologically active concentrations after oral dosing a critical distinction for researchers designing protocols targeting non-GI tissue pathways