Indeed, GSH, Trx, Grx, Prx (together with the enzymes catalyzing their reduction), and the enzymatic antioxidant defense, as a whole, concur to modulate either ROS concentration, or the availability of cellular thiols, thus regulating the function of a large number of proteins implicated in the induction and/or execution of redox-sensitive pathways
So the GHK-CU
How the antioxidant role of -glutamylcysteine is regulated under (patho) physiological conditions now needs to be deciphered
Athletes should not use this product
Opt for a dosage of at least 250-500 mg for effectiveness
However, due to modern lifestyle challenges, natural production alone may not always be enough