silymarin and glutathione Natures Craft Reduced Supplement with Milk Thistle - 500mg per Serving L Glutathione with Alpha Lipoic Acid & Milk Thistle Silymarin Forte - Milk Thistle
Description
Nat Rev Gastroenterol Hepatol 14:921

This is explicitly stated in Hospira's own labeling for their bacteriostatic water for injection product

European Journal of Obstetrics & Gynecology and Reproductive Biology , 209, 8-13
L.ScottJ
