does glutathione increase serotonin Frontiers The gut isn't just about

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As an antioxidant, glutathione supports healthy aging in the skin layer by promoting normal repair of damaged tissue and the growth of new, healthy skin cells.* Research has shown that topical application of glutathione helps maintain smooth skin.* 10 Another study found that 250 mg/day of conventional oral glutathione supplements for 10 weeks helped maintain skin elasticity and smooth, youthful skin.* 14 Supplements that increase glutathione levels in the body also are known to support skin elasticity and smoothness in postmenopausal women ages 45 to 60 years old.* 15 In addition, glutathione supports hydrated, resilient skin that looks as good as it feels.* Being outside can get in the way of a healthy skin regimen

(2015, J Aging Sci ) reviewed four decades of GHK-Cu research, documenting its role in wound healing, anti-aging mechanisms, and gene expression regulation affecting over 4,000 human genes