J Clin Oncol (2015) 33(34):401522
Glutathione has a broad spectrum action on protein synthesis, slowing down the ageing process of cells and tissues, cardiovascular system, digestive system, cognitive health, elimination of heavy metals such as cadmium, mercury passing through the liver and kidneys
What May Hurt Your Glutathione Levels The factors that could reduce your glutathione levels may include: Not getting enough protein (especially cysteine-rich protein) Having insufficient amounts of B12, B6, folate, and serine - which are important for cysteine metabolism Inadequate intake of Vitamin C, E, and selenium Inadequate intake of other B vitamins like riboflavin High oxidative stress load from things like poor diet, smoking, excessive alcohol intake, or environmental pollutant exposures High insulin and poor glucose control High levels of exercise What May Help Your Glutathione Levels The factors that could support healthy glutathione levels may include: Getting enough protein Ensuring adequate intake of vitamins and minerals, especially C, E, B vitamins, and selenium, without overdoing it Quitting smoking Reducing alcohol Managing environmental xenobiotic exposures Eating to support your workouts and activity level, including an antioxidant-rich diet Getting plenty of omega 3 fats Some studies report that cruciferous vegetables may have a positive effect on GSH levels
GSH protects tissues by neutralizing free radicals and improves the immune system by promoting antigen presentation and stimulating CD8 cells
The added oral booster helpsmaintain Glutathione at high levels in your body even between sessions oftreatment
doi: 10.3389/fbioe.2025.1729166 Received 21 October 2025 Revised 01 December 2025 Accepted 17 December 2025 Published 15 January 2026 Volume 13 - 2025 Edited by Ling Wang, Dalian Medical University, China Reviewed by Nicola Alessio, University of Campania Luigi Vanvitelli, Italy Yesuf Adem Siraj, Bahir Dar University, Ethiopia Updates Copyright 2026 Hu, Li, Hu, Shan, Tang, Jiang, Yi, Chen, Jin, Wang and Wang
