The cost-effectiveness calculation must consider not just price but also efficacy likelihood and safety profile for each delivery method
W., Wang, D., Windham, B
And that's it
These antioxidants can complement the effects of glutathione

Chemical & Physical Properties Toxicological Information CHEMICAL IDENTIFICATION RTECS NUMBER : MC0556000 CHEMICAL NAME : Glycine, N-(N-L-gamma-glutamyl-L-cysteinyl)- CAS REGISTRY NUMBER : 70-18-8 LAST UPDATED : 199710 DATA ITEMS CITED : 20 MOLECULAR FORMULA : C10-H17-N3-O6-S MOLECULAR WEIGHT : 307.36 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4020 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2238 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral DOSE : 1250 mg/kg SEX/DURATION : female 1-22 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g

For RCTs, this included assessment of: (1) risk of bias (via Cochrane RoB 2 tool), (2) inconsistency of results across studies, (3) indirectness of evidence, (4) imprecision due to sample size or confidence intervals, and (5) potential publication bias