Loren Pickart in 1973, GHK-Cu was discovered when Pickart observed that albumin from young donors (age 20-25) could stimulate aged liver tissue to synthesize proteins at a youthful rate, and the active factor was traced to this small copper peptide
The study reported lower risks for several cancers, including hepatocellular, colorectal, breast, and prostate cancers, though it did not find a significant reduction in lung cancer risk.25 So the honest answer is this: current human evidence does not show that NAC causes cancer, but animal and mechanistic research suggests NAC could behave differently depending on cancer type, disease stage, dose, and treatment context
(PubMed) Narayanan S, McConnell J, Little J, et al
Yes, it has no hormonal effects of any kind and can be taken by men and women
Whether your preferred exercise is going on a run or its lifting weights, both can be beneficial for you
W., Leonberg, A