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Research on GHK-Cu's regenerative mechanisms published in PMC confirms the age-related serum decline from roughly 200 ng/mL at age 20 to 80 ng/mL by age 60, underpinning the rationale for supplementation in aging tissue
Scientific References 1
Second axis, extracellular matrix and tissue regeneration
But no amount of evidence could compete with the certainty shed built from Reddit threads and podcasts
Absorption : PO: Rapid absorption with low bioavailability (4-10%) due to first-pass metabolism
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