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
Glutathione deficiency results in higher susceptibility to oxidative stress, which may lead to poor immune function and faster aging
and for vial-size principles generally, see Peptide Vial Sizes Explained
Dihexa is a small peptide-like compound derived from angiotensin IV
Meyer, D
These procedures are aimed at fast clearance of pigment, whilst it orally maintains the long term results