It's important to maintain a consistent skincare routine, use sunscreen daily, and avoid sun exposure to achieve the best results safely
Ameliorating with intravenous glutathione: A pilot study in 1996 in which a small group of untreated PD patients were given daily intravenous infusions of glutathione over the period of a month reportedly resulted in a significant improvement in disability. Sulforaphane from broccoli sprouts increase glutathione in the brain by an average of 30% with a 100 micromole per day dose www.sciencedaily.com Increases of glutathione reverse pattern of brain cell activity associated with schizophrenia: They used the chemical sulforaphane found in broccoli sprouts, which is known to turn on a gene that makes more of the enzyme that sticks glutamate with another molecule to make glutathione
Ghibelli L, Fanelli C, Rotilio G, Lafavia E, Coppola S, et al
Psychiatric genetics 16, 105115, doi:10.1097/01.ypg.0000199444.77291.e2 (2006)
However, the dose and frequency for glutathione can vary from person to person according to their needs