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About a decade ago, competitive athletes raced to peptides for a performance boost after steroids became easily detectable and, along with human growth hormone, became strictly regulated by sports agencies and federal law

The Ultimate Guide: How Collagen and Glutathione Work Together for Radiant, Youthful Skin 29 Aug 2025 In the quest for healthy, glowing skin, two powerhouse compounds have emerged as game-changers in the beauty and wellness world: collagen and glutathione

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(2015), BioMed Research International 2015:648108, PubMed 26236730 Statistics from research literature Discovered by Loren Pickart in human blood plasma in 1973 , as a factor extending the longevity of cultured liver cells The smallest peptide with documented pharmacological activity: 3 amino acids (Gly-His-Lys) + one Cu ion Molecular weight: 402 Da EU cosmetic INCI name: Copper Tripeptide-1 (registered in EU Commission CosIng database) Gene expression modulation: 4 000 human genes (Connectivity Map dataset, Pickart 2015) Plasma level in healthy humans declines from ~200 ng/mL at age 20 to ~80 ng/mL at age 60 (62 % decrease) Most-studied bioactivities: fibroblast proliferation , type I/III collagen synthesis , antioxidant activity (SOD upregulation) Reference sources (PubMed) Pickart L., Vasquez-Soltero JM., Margolina A

doi: 10.1016/j.freeradbiomed.2020.07.017

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