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When present, side effects are typically mild and transient, potentially including slight drowsiness if administered too early (easily resolved by timing adjustment), mild headaches during initial adaptation in some individuals (usually resolving within days), temporary vivid dreams as sleep architecture normalizes, or rare reports of mild dizziness upon waking in sensitive individuals
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This includes dietary modifications, stress management, and possibly other treatments as recommended by your healthcare provider
Medically reviewed by Missy Zammichieli, DNP, APRN, FNP-BC Published March 24, 2026 Book Consultation WHAT IS GHK-Cu
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