BMC Psychiatry , 20 (1), 397
Participants receiving 250mg daily for six months showed 17% increases in blood glutathione and 29% elevation in red blood cells, while the 1000mg group achieved 30-35% increases across erythrocytes, lymphocytes, and plasma [1]

Water, Centella Asiatica Extract (12.3%), Glycerin, Cetyl Ethylhexanoate, Cetearyl Alcohol, Glyceryl Stearate, Glutathione (1,000ppm), Niacinamide (1,000ppm), Madecassic Acid, Asiaticoside, Asiatic Acid, Solanum Melongena (Eggplant) Fruit Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Hydrolyzed Collagen, Beta-Glucan, Hippophae Rhamnoides Fruit Extract, Nelumbo Nucifera Extract, Artemisia Annua Extract, Oryza Sativa (Rice) Extract, Saccharomyces Ferment, Squalane, Sodium Hyaluronate, Dipropylene Glycol, Butylene Glycol, Hydrogenated Lecithin, Xanthan Gum, Potassium Hydroxide, Disodium EDTA, Caprylic/Capric Triglyceride, Cyclopentasiloxane, Cyclohexasiloxane, Saccharide Hydrolysate, Sorbitan Stearate, Dimethicone, PEG-100 Stearate, Stearic Acid, 1,2-Hexanediol, Chlorphenesin, Carbomer, Caprylyl Glycol This brand is excluded from most Ulta Beauty coupons

Skin Brightening:** Kojic acid, derived from fungi, helps helps to visibly reduce the appearance of uneven tone, promoting a brighter complexion
Pharmaceutics 5 , 220231 (2013)
Additionally, Glutathione also combats oxidative stress and environmental damage that contribute to dullness and discoloration, giving the skin a natural glow from within