However, recent investigations have illustrated that intake of ketogenic diets may result in various side effects such as cognitive decline and risk of cardiovascular events [19, 20], despite unknown mechanism
(Clin Transl Med, 2021) in 24 older adults (aged 61-80) found that supplementation with GlyNAC (glycine 100 mg/kg/day + NAC 100 mg/kg/day, approximately 7 g each for a 70 kg person) for 16 weeks corrected glutathione deficiency and improved multiple hallmarks of aging including oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, body composition, exercise capacity, and cognition [10]
von Bulow V, Rink L, Haase H
The FDA does not review these supplements for safety or efficacy before they hit the market
Is it safe to take glutathione every day
2004 A critical role of glutathione in determining apoptosis sensitivity and resistance in leukemia cells