The peptide may still be partly active, but degradation cannot be ruled out without analytical testing
It is also affected by stress, poor diet, alcohol, lack of exercise, weakened immune system, chronic disease infections, exposure to toxins, and certain medications or medical conditions
GHK-CU dose calculations and conversions Proper dose calculations prevent errors that waste product or deliver inconsistent results
Human clinical data are virtually nonexistent
Radioprotection by glutathione ester: transport of glutathione ester into research [PMID: 6146978] Laboratory literature summary: Radioprotection by glutathione ester: transport of glutathione ester into research subjects lymphoid cells and fibroblasts
Its use is considered experimental