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Research documents a 70% increase in collagen production in treated women compared to controls, outperforming both vitamin C and retinoic acid in comparative trials
McCallum RW, Snape W, Brody F, et al
Phase 2 trial data showed participants losing an average of 24.2% of body weight at the highest dose over 48 weeks
The gap between what the in vitro and animal data suggest and what large-scale human trials have confirmed is real, and it should influence how confident users and practitioners are in GHK-Cu as a standalone anti-aging strategy
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