glutathione cadmium chelation and phytochelatins jointly allow intracellular and extracellular detoxification of in the liverwort Marchantia polymorpha Frontiers | Foliar-Applied Glutathione Mitigates

In research settings, GHK-Cu is used to investigate copper-dependent tissue remodeling and repair pathways, including extracellular matrix regulation (e.g., collagen/proteoglycan balance and matrix metalloproteinase activity) and wound-repair signaling in cellular and tissue models

In gastrointestinal applications, both peptides have been studied in inflammatory bowel models, though their signaling targets differ, suggesting potential for complementary use under clinical supervision

Nutrition research and practice, 15(4), 468478

Those with a neuromuscular disorder, such as myasthenia gravis, may not respond well to the treatment