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[DOI] [PubMed] [Google Scholar] 34.Frry N, Huel G, Leroy M, Moreau T, Savard R, Blot P, Lellouch J

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[DOI] [PMC free article] [PubMed] [Google Scholar] 111.Fang, E

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However, research indicates that our natural levels of GHK-Cu decrease as we get older, dropping significantly by the time we hit age 60
