To be clear, Kennedy hasnt dismissed all concerns about peptides out of hand
Dermatologists use it to lighten skin and reduce signs of aging
421,422 Remarkably, GLP-1R activation in certain nuclei (such as the VTA, NAc, and vHP) elicits reductions in food intake and body weight without concurrent nausea responses
It has a natural, high affinity for copper ions, forming the GHK-Cu complex that is found in human plasma, saliva, and urine
Elamin Y, Gomez D, Papadimitrakopoulou V, Tran H, Rinsurogkawong W, Lewis J, Landry L, Roarty E, Lee J, Roth J, Swisher S , Zhang J, Heymach J
doi: 10.1002/cbdv.202301507