Whey Protein (Rich in Cysteine and Glutamylcysteine) Why it works: Whey protein is uniquely high in cysteine and contains gamma-glutamylcysteine , a direct precursor to glutathione
Modulates nitric oxide (NO) pathways , improving circulation and reducing oxidative stress
Alcohol & Smoking Both alcohol and cigarette smoke increases free radical production, leading to greater oxidative damage and a higher demand for glutathione
Peritoneal macrophages were prepared by injecting 3% thioglycollate intraperitoneally into mice, harvesting the cells four days later
PubMed Central , Pharmacology & Therapeutics , vol
This principle applies whether the copper source is dietary, supplemental, or peptide-bound