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topical GHK-Cu delivers an unknown fraction cutaneously depending on formulation, vehicle, and skin barrier integrity
Functional medicine providers typically use them with periodic cognitive assessment and monitoring of relevant biomarkers
[Real-world data come from patients not in clinical trials
Do not assume they can be mixed in the same IV bag or syringe Compatibility, pH, concentration, stability, sterility, light sensitivity, and administration sequence require pharmacy and clinician verification
Possible side effects Compliance with the therapeutic dosage minimizes the risk of unwanted effects of taking the drug
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