GHK-Cu is the copper-bound form commonly used in copper peptide skincare and beauty-support products
Researchers synthesized it to study its effects beyond the stomach, particularly in injury recovery, inflammation, and tissue protection
Neuroendocrinology 49 (2): 169175 Monnier M, Dudler L, Gchter R, Maier PF, Tobler HJ, Schoenenberger GA (April 1977)
The good news is that severe side effects are very rare, including joint and muscle aches and pains, numbness, and swelling
Before diving in, understand: Most evidence is from rodent studies effects in humans may differ No established safe dose range in humans doses are extrapolated from animal work Long-term effects unknown synaptogenesis is powerful
and group 8: mice administered Dihexa, both through injection to the gastrocnemius muscle