Dietary Supplement 100% Natural Pharmaceutical Grade Healthy Origins® Setria® L-Glutathione Reduced is a naturally derived substance that is a biologically active sulfur amino acid tripeptide compound containing three amino acids: L-Cysteine, L-Glutamic Acid, and Glycine. Our L-Glutathione Reduced is produced exclusively in Japan through a fermentation process and is pharmaceutical grade, the highest quality available.* Free of sugar, salt, starch, yeast, wheat, gluten, corn, soy, barley, fish, shellfish, nuts, tree nuts, egg and dairy. No preservatives, artificial flavors or synthetic colors. Questions? 1-888-228-6650 *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.