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Research peptides do not fall under the same drug approval framework as traditional pharmaceuticals, meaning GHK-Cu products cannot make therapeutic claims and are sold for research purposes only

Suspiciously cheap products claiming high peptide concentrations likely contain insufficient actives or unstable formulations, while luxury pricing doesn't guarantee superiority over well-formulated medical-grade options at moderate price points as analyzed in peptide cost comparisons

*Based on a 4-week consumer perception study

The effect of the human plasma molecule GHK-Cu on stem cell actions and expression of relevant genes