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Fourteen reported subjective improvement, but there was no control group, no blinded assessment, no objective functional endpoint and no follow-up imaging endpoint [5]

420,421 Patients are advised to reduce excessive intake of acidic foods to prevent exacerbation of UC symptoms

Clinical Evidence in Humans The topical evidence base is unusually robust for a research peptide: Facial aging study (71 women, 12 weeks): A GHK-Cu facial cream documented increased skin density and thickness, reduced laxity, improved clarity, and reduced fine lines and depth of wrinkles (PMID 26236730)

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Six L68QhCC human carriers taking oral NAC had skin biopsies obtained to determine if hCC deposits were reduced following NAC treatment