Hell R, Bergmann L: -Glutamylcysteine synthestase in higher plants: catalytic properties and subcellular localization
Supplements are also available and the usual dose is 500 to 1000 mg
Supplement facts Serving Size: 1 Bottle | Servings Per Container: 10 Vitamin C (as Ascorbic Acid) 33 mg L-Glutathione 150 mg Coenzyme Q10 7 mg Other Ingredients: Water, Grape Juice From Concentrate, Natural Flavors, Citric Acid, Sucralose, Sunflower Lecithin, Gum Acacia Suggested Use: As a dietary supplement, drink 1 bottle daily, or as directed by your healthcare practitioner
A double-blind, placebo-controlled trial in frail elderly people without cognitive impairment found significant improvements in cognition from baseline with NAC, 1800 mg per day for 6 weeks, whilst there were no improvements in the placebo group