That is its job
People with aging: Improves skin health and reduces signs of aging
Research consistently shows poor absorption in pill or capsule form, as glutathione is a protein that is dismantled into its component amino acids during the digestive process, preventing the intact antioxidant from reaching circulation
it starts rising during the evening and peaks at night, and it signals your body to wind-down in preparation for sleep
Mol Biol Cell 13:11091121 Romero-Puertas MC, Corpas FJ, Sandalio LM, Leterrier M, Rodriguez-Serrano M, del Rio LA, Palma JM (2006) Glutathione reductase from pea leaves: response to abiotic stress and characterization of the peroxisomal isozyme
[ref] Laundry detergents and fabric softeners: Laundry products are notorious for fragrances that trigger MCS symptoms