National Cancer Institute, Angiogenesis plays a critical role in the growth of cancer because solid tumors need a blood supply if they are to grow beyond a few millimeters in size.14 So, despite GHK-Cu's potential anti-cancer action, people who have active or suspected cancer may want to avoid the peptide.3 9 And if you develop any symptoms of cancer while using GHK-Cu, youre best off discontinuing use and contacting your doctor for their input
They are not regulated under FDA drug manufacturing standards
The safety margin is over 300 times the therapeutic dose, making GHK-Cu one of the safest peptides available for research use
Likewise, 500 milligrams of NAC is not equivalent to 500 milligrams of glutathione
Rapid fat loss, particularly from the face and neck, can accelerate the appearance of skin laxity
Tissue remodelling does involve breakdown before rebuilding