Reduced Glutathione (GSH) Capsules Tripeptide: Glycine, Cysteine & Glutamate 500 mg Glutathione Per Capsule A Low Ratio of Reduced vs. Oxidized Glutathione Is Used as a Measure of Cellular Toxicity Glutathione is the most abundant intracellular thiol (i.e., a compound containing a sulfhydryl [SH] group) and low molecular weight tripeptide found in living cells. The antioxidant functions of Glutathione Reduced include recycling vitamins E and C and serving as an antioxidant in all types of tissues. Suggested Use Take 1 capsule per day with a meal or as directed by your qualified healthcare professional. Caution Consult a healthcare professional before using this product if you are trying to conceive, pregnant, or lactating, under the age of 18, or have a medical condition; if adverse reactions occur, discontinue use. Keep out of the reach of children. Store in a cool, dry place.