glutathione oral overdose Effectiveness of dosage of spinach-derived and Glutathione Benefits for Your Health

The results are inconclusive, but there are some promising results so far: In one small study with just 12 (healthy middle-aged non-smoker) subjects (taking either 500 or 1,000 mg per day liposomal glutathione for four weeks), there was a trend for increasing glutathione levels, although it only became significant in the 500 mg dose after two weeks, which was also the largest increase at 25%

Borodina I, Kenny LC, McCarthy CM, Paramasivan K, Pretorius E, Roberts TJ, van der Hoek SA, Kell DB (2020) The biology of ergothioneine, an antioxidant nutraceutical

Petrov et al., 2017)

Glutathione oral supplements come in capsules or tablets that dissolve under the tongue

The trial period was 12 weeks and the dose was 60 mg/kg/day in three doses with a maximum of 4,200 mg/day