In animal models, this preservation was associated with increased fat oxidation relative to storage
Fraternale et al., 2021)
Cassileth, MS, PhD Kava is a plant indigenous to the Pacific Rim and the Hawaiian Islands whose root and rhizome are used to prepare a non-fermented beverage with relaxant effects that is used for social and recreational purposes
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