14 In contrast, Weschawalit et al 3 reported a statistically significant effect of glutathione as a skin-lightening agent, but this was limited to a group of participants aged older than 40 years who received GSH, a reduced form of glutathione, on the sun-exposed area of the right forearm
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Possible benefits include protecting the body from disease, slowing cancer progression, improving insulin sensitivity and it can also help address nonspecific issues like general fatigue, dull skin, or stubborn weight gain
You may notice the skin is less plump, a little duller, and the fine lines more prominent
Oral Bioavailability Challenges A frequently cited 2015 randomized controlled trial published in the European Journal of Nutrition (N=54) found that oral glutathione supplementation at 250 mg/day and 1,000 mg/day for 6 months increased body stores of GSH by 30% to 35% compared to placebo, as measured in erythrocytes and buccal cells [6]