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Any deficiency will contribute to fatigue, poor appetite, depression, and numbness/tingling in the hands and/or feet

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The peptide occurs naturally in human plasma, and exogenous supplementation essentially restores levels toward youthful ranges rather than introducing foreign compounds

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Combining topical application at the wound site with systemic injection represents a comprehensive approach for significant wounds

GHK is the tripeptide alone, while GHK-Cu is the same tripeptide complexed with a copper ion