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Originally identified in human serum, GHK-Cu serves as a vital signal peptide that regulates extracellular matrix (ECM) remodeling, promotes fibroblast proliferation, and resets gene expression toward regenerative and antioxidant pathways
Joint Pain/Stiffness: Some users report joint pain or stiffness (arthralgia), particularly when using higher doses
The ideal temperature range is 2C to 8C (36F to 46F) which is just above refrigeration temperature because this range keeps the peptide stable in the lab
It's absurd, but it really hit the media huge last year
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