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The body might absorb some of the individual amino acids (glycine, histidine, lysine) and the copper, but not the intact, active GHK-Cu molecule needed for its unique signaling effects
Chung-Hsun Chang, Wen-Chung Tsai, Miao-Sui Lin, Ya-Hui Hsu, and Jong-Hwei Su Pang
Foundational GHK-Cu (sister peptide) paper: stimulates collagen synthesis in human fibroblasts, effect beginning at 10^-12 to 10^-11 M and maximal at 10^-9 M the same potency window later reported for AHK-Cu, establishing the copper-tripeptide mechanism
Sn phm ca Angels Liquid c sn xut vi quy trnh nghim ngt vi tiu ch 5 Khng: Khng cn Khng cht bo qun Khng hng liu c hi Khng kim nghim trn ng vt Khng cha thnh phn gy kch ng da
Increased firmness (weeks 6 to 10): lax areas, particularly the lower face, jawline, and neck, show improved tone as new collagen fibers are laid down
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