The reason is partly regulatory: under UK law (specifically the Human Medicines Regulations 2012), peptides marketed for cosmetic or therapeutic use in humans require MHRA authorization, which GHK-Cu currently lacks
In late 2024, Zealand Pharma initiated a phase 2b randomized dose-finding obesity and T2DM + obesity clinical trial (ZUPREME-1 and ZUPREME-2) which will evaluate petrelintides efficacy and safety in individuals with obesity in a larger population ( N = 480) [116]
Int J Med Sci 15:492497
Supportive boosters, but not as effective as IV drips or injections
It works hand in hand with COQ10 to help quench oxidative stress within the mitochondria
Semenova, Y., Bjrklund, G., Butnariu, M., & Peana, M