nac and glutathione supplement Effects of N-acetylcysteine, oral (GSH) a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study NAC vs Glutathione: Which Antioxidant

The thing with overdosing with copper, I dont think so

Reported side effects include: Nausea and queasiness , especially after meals during the first few weeks of dosing

Urban C, Hayes HV, Piraino G, Wolfe V, Lahni P, OConnor M, Phares C, Zingarelli B

Deciphering the ferroptosis pathways in dorsal root ganglia of Friedreich ataxia models, in The role of LKB1/AMPK, KEAP1, and GSK3 in the impairment of the NRF2 response

Continuous use: For those with chronic oxidative stress or specific medical needs, maintain consistent antioxidant supplementation

Unfortunately many doctors do not take into account neurological symptoms and the patient is automatically placed onto a three monthly maintenance dose of B12 injections after loading doses