American Thoracic Society
Unexpected color change is typically a sign of contamination (note: GHK-Cu is naturally blue)
Useful discussion topics include allergies, active skin disease, medications, pregnancy or breastfeeding, diabetes, abnormal wound healing, infection risk, immune status, and whether approved alternatives are available [7], [8], [11]
Antioxidant and detox protocols
Carlo Perricone, Caterina De Carolis, Roberto Perricone - Glutathione: A key player in autoimmunity - Autoimmunity Reviews - 2009 - Volume 8, Issue 8, July 2009, Pages 697-701 Ravinder J
Through diverse molecular mechanisms, it interferes with normal cellular processes such as transformation, senescence, programmed cell death, and proliferation, thereby directly contributing to the development of various human diseases (Table 3)