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Research shows increased GLUT4 expression leading to better glucose clearance, enhanced insulin receptor sensitivity, and normalized metabolic parameters
None of the peptides discussed here are FDA-approved drugs
GHK-Cu is a copper-binding peptide that up-regulates collagen and elastin synthesis while down-modulating matrix metalloproteinases (MMPs), driving skin remodeling and connective-tissue repair
The concentrations used in GHK-Cu applications are well below toxic thresholds, but individuals with Wilson's disease (a copper metabolism disorder) should avoid GHK-Cu without physician supervision
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