Specific event rates included nausea (55% vs 12.6%), constipation (30.7% vs 11.6%), and vomiting (26.1% vs 4.1%)
There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes
The resulting peptide has a nearly identical 3D spatial arrangement of functional groups as the originalmaintaining target binding affinitybut is unrecognizable to proteases that cleave L-amino acid peptide bonds
GHK-Cu supports the skin's natural collagen pathways for firmer-looking skin
Maquart FX, Bellon G, Chaqour B, Wegrowski J, Patt LM, Trachy RE, Monboisse JC, Chastang F, Birembaut P, Gillery P: In vivo stimulation of connective tissue accumulation by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+ in rat experimental wounds