GHK (glycyl-L-histidyl-L-lysine) is a naturally occurring peptide found in human serum with levels averaging 200 ng/ml at age 20 but declining to an average of 80 ng/ml by age 60
Sikiric P., Seiwerth S., Rucman R., Drmic D., Stupnisek M., Kokot A., Sever M., Zoricic I., Zoricic Z., Batelja L., et al
Transcriptome analysis of resistant and susceptible genotypes of Glycine tomentella during Phakopsora pachyrhizi infection reveals novel rust resistance genes
Adults dealing with high daily pollution exposure in metro cities Vegetarians and vegans with limited sulfur-amino-acid intake Anyone training intensely and wanting extra antioxidant support Adults past their early 30s, when natural production is thought to gradually decline Hold off if: you're pregnant or breastfeeding, undergoing chemotherapy, on thyroid or chronic-illness medication, or simply unsure these situations need a doctor's sign-off before starting any new antioxidant supplement
It has not been approved by the Food and Drug Administration (FDA) to diagnose, treat, cure, or prevent any disease
Bogdan Popa, founder of IV for Life in Orange County, California