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Glutathione White Small Molecule Collagen C Biotin https://i.ytimg.com/vi/px-rz1_HVLI/maxresdefault.jpg Anti-oxidant Size:20 What Published Mechanism Research Implies (And Doesn't) GHK-Cu's documented activities — stimulating fibroblast proliferation, modulating collagen and glycosaminoglycan synthesis, affecting gene expression at scale (Pickart & Margolina describe an effect on roughly 31% of human genes, PMID 29986520) — are mechanism findings, not adverse-event predictions
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