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Nat Microbiol (2019) 4:62332
The compound has a 24-hour half-life, making once-daily dosing sufficient for sustained growth hormone elevation
Active cancer, pregnancy, bleeding disorders, and uncontrolled diabetes change the answer
How GHK-Cu Works in Skin at the Molecular Level The glycyl-L-histidyl-L-lysine tripeptide forms a high-affinity complex with copper(II) ions, creating the active GHK-Cu complex that functions as a biological signal molecule rather than a structural component
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