PubMed: 18436195Clinical (RCT / meta-analysis) ref-8.Shahbazian H, Shayanpour S, Ghorbani A Evaluation of administration of oral N-acetylcysteine to reduce oxidative stress in chronic hemodialysis patients: A double-blind, randomized, controlled clinical trial
& Payne, G
But beware, there is a tendency for the doctor to think the more symptoms a person reports, the more likely the cause of the symptoms is psychological
UK standard treatment regimens (per BNF and NHS guidance): Dietary deficiency (e.g., in vegans): oral cyanocobalamin 50150 micrograms daily between meals Pernicious anaemia or other absorption-related deficiency : intramuscular hydroxocobalamin 1 mg on alternate days for two weeks (loading), then 1 mg every two to three months as maintenance
The individual ingredients can be purchased separately for $65-105 monthly
Dosing typically starts at 0.6 mg and titrates up to 3 mg over several weeks