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Europe and internationally: Similarly unapproved, with access only through clinical study participation
Alternatively, use a vitamin C derivative like magnesium ascorbyl phosphate or sodium ascorbyl phosphate, which function at a higher pH and play much more nicely with copper peptides
GHK-Cu concentrations in human plasma drop from approximately 200 nanograms per milliliter in young adults to roughly 80 nanograms per milliliter by age 60
From there, Semax steps in to improve your focus, memory, and learning capacity
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