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The amount of copper in most copper peptide serums is low enough that it shouldnt pose a major risk to most healthy people, but its still something to be mindful of.15 However, those with Wilsons disease a rare genetic condition may be best off avoiding copper peptide serums (or any skin care product containing copper), as the condition causes the element to build up in the body.16 Cancer risks GHK-Cu seemingly promotes angiogenesis, or the formation of new blood vessels.14 Though this can lead to beneficial outcomes like better wound healing, it may also lead to the growth or spread of cancer by giving solid tumors a blood supply.17 This means that if you have active or suspected cancer, it may be wise to avoid copper peptides

Vogiatzi, G

Editor information Editors and Affiliations Section Editor information Rights and permissions Copyright information 2019 Springer Science+Business Media, LLC, part of Springer Nature About this entry Cite this entry Dobry, A.S., Fisher, D.E

In NNMT catalysis, nicotinamide is methylated to 1 methylnicotinamide using S adenosyl L methionine as the methyl donor, which links NNMT activity to broader methyl transfer capacity and to availability of nicotinamide for recycling through NAD+ salvage networks

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However, experts suggest that its growing body of evidence points to new opportunities in supplement formulations that support brain and hormonal health