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Proper storage can extend usability
UK-based availability allows suitable research customers to source GHK-Cu research material with domestic dispatch and secure packaging
Copper peptides have an affinity to skin cells and have been used to support healthy collagen production, skin elasticity, and the natural wound healing process
It may be that the peptide has other biological actions but not a sleep-inducing one. Professor Guido Schoenenberger of the University of Basel one of the key scientists to have worked on DSIP in the 1980s does not agree
The freeze-thaw cycle can damage the peptide structure
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![Mechanism of action of GLP-1 [25]](https://www.researchgate.net/profile/Asfandyar-Sheikh/publication/256289222/figure/fig1/AS:614177232142337@1523442671231/Mechanism-of-action-of-GLP-1-25.png)
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