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AUC for charantin and hydroxychalcone was found to be 12.48 and 15.26 g h/ml and 72.99 and 69.25 g h/ml with i.v
The boring truth is that GHK-Cu side effects rarely derail a protocol
Comparative copper-peptide research GHK-Cu is one of several copper-binding peptides studied in research, with AHK (Ala-His-Lys-Cu), various histidine-containing copper-binding peptides, and longer copper-binding peptide motifs (including the N-terminal albumin copper-binding site sequence DAHK and related sequences) all appearing in the broader literature
PMID: 19173758
Another approach is purchasing multiple smaller vials and reconstituting only what will be used within 3-4 weeks
(PubMed) A 2024 review focused on skin-lightening therapies concluded that glutathione tablets or topical glutathione may offer modest pigment/lightening benefits
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