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
H., Wang, Y
Although the focus of this study was not on the mechanisms by which NAC regulated the proliferation and viability of TSPCs, the enhanced proliferation by NAC provided additional rationale for the application of NAC in tendon injuries
Hemolysis of human erythrocytes induced by tamoxifen is related to disruption of membrane structure
PMID: 1328231
Linus Pauling Institute, Oregon State University