This has been confirmed to be a fact in Type 2 diabetics
The study indicated that increasing levels of GSH in the body could potentially reduce the number of patients that were symptomatic, although more research is needed
Toxicology, 77 (12), 8190
Propionyl-L-carnitine improves exercise performance and functional status in research [PMID: 11382369] Laboratory literature summary: Propionyl-L-carnitine improves exercise performance and functional status in research subjects with claudication
The benefits of RT on oxidative stress in rodent models of AD do appear to persist beyond 6 weeks, as another trial found that 8 weeks of ladder-climbing RT (8 climbs, 2 repetitions at 50%, 75%, 90%, and 100% MCL, 3 times per week) prevented a rise in lipid peroxidation (Schimidt et al., 2019)