research compound only Recent Evidence: 2024 comprehensive review confirming growth factor upregulation
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
lower muscle strength
Glutathione injection helps restore its level to the desired valve
Claims concerning insomnia, sleep disorders, pain, anxiety, withdrawal, cortisol, growth hormone or neurological function may contribute to medicinal-product classification