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Research Summary GHK-Cu (Glycyl-L-histidyl-L-lysine:copper) is a naturally occurring human plasma tripeptide that declines with age
During this time, adults taking a weight loss drug in clinical trials lost an average of about 10 percent of their starting body weight, and they lost an additional eight percent within 15 months
High purity ensures that the observed biological effects arise from the intended peptide sequence rather than from truncated peptides, synthesis byproducts, or residual reagents
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