SCIENCE & RESEARCH Glutathione (GSH) Background and history Glutathione (GSH) is a tripeptide made from glycine, glutamine and cysteine Antioxidant that reduces overall oxidative stress and Reactive Oxygen Species (ROS) ROS have the potential to damage DNA, RNA, and proteins By reducing oxidative stress and ROS, GSH reduces cellular degeneration Can reduce chronic inflammation and symptoms related to it Levels decline with age, poor nutrition, environmental toxins and stress GSH supplementation may overcome reduction in Nrf2 expression in age-related diseases Studies suggest improved symptoms associated with psoriasis, Parkinsons Disease, several autoimmune diseases, and autism Longevity benefits Lowers ROS to reduce damage to RNA, DNA, and proteins in the body Reduces inflammation and liver cell damage May improves insulin resistance Often improves overall skin health Works to strengthen the immune system Enhances detoxification and toxin removal, including heavy metals Involved in DNA synthesis & repair, protein synthesis, amino acid transport, modulation of glutamate receptors, and neurohormonal signaling Research and studies Parkinsons Disease A small randomized placebo controlled trial using IV glutathione over 4 weeks showed that it was well tolerated: Preliminary efficacy data suggest the possibility of a mild symptomatic effect, but this remains to be evaluated in a larger study. Another small randomized placebo trial using nasal glutathione over 3 months showed improvement in total Unified PD Rating Scale (UPDRS) (-4.6 (4.7), P = 0.0025) and UPDRS motor subscore (-2.2 (3.8), P = 0.0485) over baseline

If it is a standard powder, the absorption may be too low to see skin results
This supports the bodys overall energy capacity at a cellular level
This would allow it to stay in the bloodstream longer for increased nitric oxide uptake into the muscles, which would in turn lead to an increase in strength and lean body mass via more efficient muscle protein synthesis
She also has a YouTube video on her site in which she uses a puppet to make some points