Reduced glutathione level in the aqueous humor of patients with primary open angle glaucoma and normal tension glaucoma npj Aging Oxidative Stress part 6 Glutathione 87 studies. 9,000+ children. and most parents have never heard this conversation. A meta analysis of 87 studies involving over 9,000 children found consistently lower glutathione levels and higher oxidative stress in children Setria Glutathione Infographic Setria Glutathione The State of Glutathione Research Townsend Letter