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Research-grade GHK-Cu is typically endotoxin tested , supporting its suitability for sensitive experimental protocols, cell-based assays, and molecular signaling studies
This is because of its FDA approval and 10+ year safety profile as well as multiple proven benefits for metabolism and cardiovascular risk with speculative/accumulating evidence for dementia prevention
Maxwell, P
An 8-week randomized double-blind clinical trial comparing GHK-Cu in nano-lipid carrier to Matrixyl 3000 showed 55.8% reduction in wrinkle volume versus control serum and 31.6% reduction versus Matrixyl 3000, with 32.8% reduction in wrinkle depth versus control
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