standard oral glutathione bioavailability poor A Targeted Metabolomic Assessment of and Safety in Humans: A Randomized Crossover Clinical Trial Glutathione: Master Antioxidant, Reducing Oxidative

For the chronic dosing studies, most studies are looking at doses of 4 g/day.[ref] (This used to be the maximum recommended acetaminophen dose per day, but that has now changed to 3g/day.) For reference, a single over-the-counter Extra Strength Tylenol is 500 mg, with the directions saying not to exceed 6 tablets in 24 hours (so 3g/day)

It combats free radicals, protecting the skin from harmful environmental aggressors like UV rays and pollution

Research here focuses on oxidative protection, not dramatic lightening, so expect a more even, less tired complexion over weeks rather than an overnight change

NOTE: You can do this while the bag is hanging or lying on the table as no fluid will leak out until the bag is punctured by the fluid line