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2.2 Place the tube into a magnetic stand to collect the beads against the side of the tube
Age-Related GHK-Cu Decline and the Case for Supplementation GHK-Cu is naturally present in human plasma at approximately 200 ng/mL in young adults, declining to approximately 80 ng/mL by age 60 a 60% reduction that correlates temporally with the visible signs of skin aging
Sakamoto N, Tsujimoto H, Takahata R, Cao B, Zhao P, Ito N, et al
Oncotarget 8 , 2570025712 (2017)
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