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At optimal concentrations, GHK-Cu increases mRNA production for collagen types I and III, elastin, proteoglycans, and glycosaminoglycans, while laboratory studies show that topical application for 12 weeks improves collagen production in 70% of subjects compared to 50% with vitamin C and 40% with retinoic acid
10.1002/mds.25132 Mov
Data from treatment-adherent participants was collected and included in the analyses for the trial product product estimand [1]
The main reason to be cautious with a 16-week plan is that there is no clinical subcutaneous evidence to guide the extension
This ripple effect can touch everything from muscle integrity to metabolic function, making it a compelling molecule for a holistic health strategy focused on longevity and performance, not just weight management
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