What is GHK-Cu?
GHK-Cu is a naturally occurring copper tripeptide found in human plasma, saliva, and urine. Plasma levels decline from ~200 ng/ml at age 20 to ~80 ng/ml by age 60. Research shows it affects 31.2% of human genes and promotes wound healing, collagen synthesis, and anti-aging effects. Note: Injectable GHK-Cu is not


