When it comes to glutathione, purity = performance That's why Glutone 1000 uses Setria L Glutathione, crafted in Japan through a patented bio fermentation process. What makes Setria special? 99.5% purity New Product: Glutathione Support! Reliance Vitamin Healthy Origins Setria L Glutathione Reduced 500 Mg 60 Capsules Amazon.com: Healthy Origins Setria L Glutathione 250 mg, 60 Veggie Capsules Reduced Form Master Antioxidant Supplement Supports Liver Health, Detoxification, Immune Function & Healthy Skin 2 Month Supply : Health & Household