best glutathione precursor Vs NAC: Which is for Skin? Page 1 - Reviews -

Dubbed the mother of all antioxidants, its been celebrated for its skin-brightening, age-defying, and health-boosting benefits

It demands proper delivery

Glutathione peroxidase (GPX)

Liver detoxification Glutathione supports healthy liver function and detoxification by neutralizing toxins, such as heavy metals (e.g., mercury, cadmium), drugs (e.g., acetaminophen), and environmental pollutants (e.g., polycyclic aromatic hydrocarbons) (Lu, 2013)

In a 4-week open-label study of 5 PD patients and 3 healthy controls, high-dose oral NAC (6000 mg/day) markedly enhanced peripheral antioxidant capacity but failed to elevate brain GSH levels

PMID 25388135