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Cell 186 , 17081728 (2023)
First isolated from human plasma by Loren Pickart in 1973, GHK is a naturally occurring molecule: plasma levels sit around 200 ng/mL in young adults and decline steadily with age
This combination supports cellular health and promotes recovery, potentially relieving fatigue sufferers
In contrast, a mild increase in the risk of prostate cancer with high vitamin E supplementation has been reported in a randomized trial (85)
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