glucorination glutathione with Cofactors Glutathione-Mediated Conjugation of Anticancer Drugs
Description
The main difference is that NAC acts as a precursor , helping your body make more glutathione, while glutathione provides immediate antioxidant protection

Immunogen Recombinant human Glutathione S-transferase P Scientific Validation DataValidation Data (1) Anti-Glutathione S-transferase P Antibody (A41146) All lanes: Glutathione S-transferase P antibody at 2ug/ml

BMC Cancer 19 , 1068 (2019)

Reported issues are usually mild and may include temporary injection-site irritation, mild fatigue, or minor digestive changes during early use

Such a trial to study treatment of hyperpigmentation with glutathione must also study long-term effects of single treatment, maintenance of effect over time and value of at least one repeat treatment
