The compound is most often taken with meals, as this may improve absorption and reduce the likelihood of gastrointestinal discomfort
Investigators have studied the compound across cell-type-specific exposures, biomaterial-integrated delivery formats, and combination protocols with adjacent research compounds
However, as reassuring as all of this is, there are a couple of things to remain mindful of: Copper toxicity Because GHK-Cu contains copper, it does pose a potential risk of copper toxicity,12 the symptoms of which include abdominal pain, vomiting, chest pain, chills, cough, fever, general weakness, anemia, burning sensations, tremors, and a metallic taste in the mouth.13 The risk is small, as the concentrations of copper in the peptide are typically well within safe parameters, but its good to be aware of it
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