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"Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data." International Journal of Molecular Sciences
Used in preclinical research contexts : Discussed in literature mainly in in-vitro and animal models, not as validated clinical outcomes
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ATP-binding cassette transporters restrict drug delivery and efficacy against brain tumors even when blood-brain barrier integrity is lost
Additionally, glutathione delivered through inhalation or IV (intravenous) methods has occasionally caused respiratory issues, particularly in people with asthma
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