glutathione produced by Metabolic pathway of production. Adapted from Zhu et al Glutathione: Master Antioxidant, Reducing Oxidative

Most evidence remains theoretical rather than robustly validated

The bridge between those two "NAC's antioxidant activity, applied to a population with elevated oxidative load, produces clinically meaningful improvements" is the part where you are extrapolating rather than citing a definitive trial

This is even more important if you have B12 deficiency and need significantly higher doses

Antimicrobial Smart Dressings for Combating Antibiotic Resistance in Wound Care

One product was found to be contaminated with lead, and two other products, which were tablets, failed to disintegrate within the expected time

In cases where contamination occurred due to poor technique, injection site reactions may also appear