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Verification: Live search confirms that human plasma concentrations of GHK-Cu drop by over 60% during a standard human lifespan, falling from approximately 200 ng/mL at age 20 to 80 ng/mL by age 60
Trends Food Sci Technol (2006) 17(9):50512.10.1016/j.tifs.2006.04.004 15 Fernandez-BolaosJHerediaAFelizonBBrenesMGuillenRRodriguezR
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It doesnt matter how powerful an ingredient is if your body cant actually absorb and utilize it, says Chervin Jafarieh, the cofounder and chief scientific officer at the brand
Rizk et al., 2018)
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