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If my GHK-Cu serum passes at-home tests, does that guarantee it works for collagen production
A combination of vitamin D and L-cysteine administration significantly augmented GSH levels and lowered oxidative stress and inflammation (Jain et al., 2018
!Copper chelators (penicillamine, trientine) - These medications remove copper from your bodythey would directly counteract GHK-Cu
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