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Researchers using injectable GHK-Cu should follow sterile preparation protocols to prevent contamination-related adverse events, which are procedural rather than compound-specific risks
49557-75-7 (free GHK tripeptide) Molecular Formula: C14H23CuN6O4 (complex)
Noteworthy, Gustafson EK et al
Its sleep effects are modest, but they are consistently measurable in humans
If you started at the higher end and experienced problems, reduce to 0.5mg to 1mg daily
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