It is a modified derivative of angiotensin IV, a component of the renin-angiotensin system involved in blood pressure regulation and, intriguingly, cognitive function
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Enriched with Vitamin C and Grape Seed Extract, it is also a skin brightening supplement which brightens skin, reduces hyperpigmentation, and combats free radicals
In contrast, approximately 92% and 87% of D-CuP remained unchanged after 0.5 and 4 h of protease K exposure, highlighting its superior protease stability
Biochem J 389:207214 [DOI] [PMC free article] [PubMed] [Google Scholar]
For our guide to the best copper peptide serums, we dedicated 60+ hours to researching and testing different products across the market