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Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex GHK-Cu. Cell Biology International Reports
This is not a minor technicality, it is the whole ballgame
It protects intestinal lining and mucosal barriers from damage
Supporting Healthy Ageing: Our natural production of glutathione tends to decline as we get older
(PubMed) Leske MC, Wu SY, Hyman L, et al
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