Researched, stable liquid glutathione for metabolic detoxification and antioxidant support. 4oz liquid. *This product will ship USPS priority mail and usually arrives 1-3 days after shipment. Store refrigerated once received. ** UPDATE: This product available NOW in stock. Due to COVID-19 supply limitations, this product may temporarily only be available with a ribbed cap instead of the usual flip-cap. You may also try Liposomal Glutathione from DFH.