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This isn't a safety issue
Enhances metabolism and reduces fatigue
Research demonstrates that GHK-Cu stimulation of collagen synthesis begins at concentrations between 10 and 10 M and maximizes at 10 M, with effects independent of changes in cell proliferation, indicating direct activation of synthetic machinery rather than simply increasing fibroblast numbers
meta-analysis support
Proceedings of the Nutrition Society
any expectation of its behavior should be limited to the additive pharmacology of the two individually characterized components, and it should not be treated as a validated combination product
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