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Our Copper Peptide Serum contains0.2% pure GHK-Cu (Copper Tripeptide-1), placing at the top range of clinically validated efficacy range of 0.01%0.10% active peptide
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Shils, J
Retarutide inhibited human GCGR, GIPR and GLP-1R with EC50 values of 5.79, 0.0643 and 0.775nM, respectively
The drug causes a reddish discoloration of the urine (chromaturia, which can look like blood in the urine), and of the skin
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