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Description
Sources: Lee, H

Subcutaneous Injection Injectable GHK-Cu sourced from Florida-licensed compounding pharmacies delivers the peptide systemically, allowing it to reach the skin via the bloodstream

Analytic testing of peptide products sold on the gray market has found purity ranging from only 5% to 75%, with arsenic and lead contamination exceeding established toxicity thresholds for injectable drugs
& Rossi, J
