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Many standard options use synthetic fillers, artificial flavors, and low-quality sourcing to keep costs down
Meanwhile, GHK-CU peptide is of interest for its copper-binding properties, which may participate in metalloproteinase activity regulation and oxidative stress responses through copper-dependent antioxidant enzyme activation
GHK-Cu is naturally found in trace amounts in human plasma, saliva, and urine
So firstly there is this like it is a magic bullet
Most growth-factor peptides degrade in gastric acid within minutes, which limits how they can be studied and delivered
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