Antioxidant Action Reduced glutathione is known for its strong antioxidant properties
Wenzel*, Fernando Holguin, Silvana Balzar, and Jen Chamberlin
Molecules 25 , 5337 (2020)
NAC replenishes depleted GSH levels in Human immunodeficiency virus (HIV) patients (4, 5), prevents contrast-induced nephropathy (6), and has demonstrated therapeutic potential in psychiatric disorders, neurodegenerative diseases, infertility, cancer, ophthalmic, and gastrointestinal conditions (712)
Worth considering if the 300mcg once-daily protocol produces underwhelming results after 4+ weeks
For most people with straightforward B12 deficiency due to dietary insufficiency , oral cyanocobalamin at doses of 50-150 micrograms daily between meals is the standard UK recommendation