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GHK-Cu peptide is a copper-binding peptide complex formed from GHK, a tripeptide made from glycine, histidine, and lysine, and copper ions 1, 9
Methods A non-randomized controlled intervention study was registered on January 8, 2025, with the China Clinical Trial Registry (ChiCTR2500095544)
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The problem can be, however, that the digestive system isnt always efficient at absorbing the compound, meaning a large amount can simply pass straight through unabsorbed
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