The TNF rs1800629 Variant, the GHK-Cu Pathway, and Skin Health: What Your Genotype May Mean GHK-Cu is a natural copper-binding peptide that helps support tissue repair, skin structure, and healthy aging by influencing genes involved in collagen production, antioxidant defense, and inflammation control
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Proceedings of the National Academy of Sciences, 67(3), 1248-1255
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These peptides similarly prompt the release of growth hormone but typically deliver longer-lasting effects compared to GHRPs