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Mechanism Comparison GHK-Cu alone operates primarily at the gene expression level
That advice comes from older laboratory research showing that free copper ions can accelerate the oxidation of pure L-ascorbic acid (vitamin C)
Mechanism literature Multiple peer-reviewed papers describe VEGFR2 activation, eNOS/NO signaling, and tendon-cell behavior in cultured cells and rodent models (Chang et al., Journal of Applied Physiology, 2011
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Local GHK-Cu exposure in a rat wound-chamber model
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