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    "title": "AHK-Cu: Reference Overview and Reconstitution Notes",
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    "tldr": "AHK-Cu is a copper-binding tripeptide of alanine, histidine and lysine, closely related to GHK-Cu and studied in hair follicle and skin research. Research only.",
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            "attribute": "cites",
            "value": "NCBI PubChem CID 168431292: AHK-Cu (C15H24ClCuN6O4-) - pubchem.ncbi.nlm.nih.gov",
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            "value": "Pyo et al., Arch Pharm Res 2007: The effect of tripeptide-copper complex on human hair growth in vitro - pubmed.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/ahk-cu)",
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    "faq": [
        {
            "q": "How is AHK-Cu different from GHK-Cu?",
            "a": "They are different tripeptides that both bind copper. GHK-Cu (glycine-histidine-lysine) has a substantially larger research literature; AHK-Cu (alanine-histidine-lysine) is studied mainly in hair follicle contexts and is far less characterised."
        },
        {
            "q": "Is AHK-Cu used topically or injected?",
            "a": "It is generally handled as a topical research material. That differs from most compounds in this library, which are lyophilised powders reconstituted for injection in research settings."
        },
        {
            "q": "Why do AHK-Cu solutions look blue?",
            "a": "The colour comes from the bound copper. Copper-peptide solutions are characteristically blue to blue-violet, so colour alone is not evidence of concentration or purity."
        }
    ],
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