The jump from 0.25 mg to 0.5 mg doubles your dose, and your body will notice
But sharing this page for those of you that do go this route because you are told you have to, or you feel you have to
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
Do not freeze the medication
Migraine symptoms may be caused by the temporary widening of blood vessels in the head
Therapeutics 33 (3), 358371.e2