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Plasma concentrations of GHK decline with age, from approximately 200 ng/mL at age 20 to 80 ng/mL by age 60
This enhanced collagen production reduces the appearance of wrinkles, fine lines, and sagging, leading to smoother and firmer skin
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High sensitivity C-reactive protein (Hs-CRP) Is a biomarker of inflammation and suggests widespread chronic inflammation in the body, which can affect the cardiovascular system
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