melanotic mucosa colon Melanosis coli Pigmentation (melanosis) of the colon

Bai et al., 2019)

Biomed Pharmacother 141:111888

Bioorg Med Chem Lett 22:18221826 Eaton JK, Furst L, Ruberto RA, Moosmayer D, Hilpmann A, Ryan MJ et al (2020) Selective covalent targeting of GPX4 using masked nitrile-oxide electrophiles

[2] Pharmacokinetic unknowns We lack good human pharmacokinetic data for injected GHK-Cu: how much intact complex survives in circulation, how much copper is handed off to plasma proteins, how much (if any) reaches the skin as functional complex, and what a safe cumulative copper exposure would be

clinical trial confirmed this dual effect in humans, showing a 7.4 increase in hair count demonstrating both new growth stimulation and existing hair protection