The active antioxidant compound within milk thistle is the flavonoid complex called Silymarin. This antioxidant is one of the most powerful liver detoxifying agents. It helps to boost glutathione and superoxide dismutase Milk thistle (Silybum marianum) is one of the most well known herbs for liver support, but its benefits go beyond just that. Here's why it's considered good for you. Imagine the benefits of Amazon.com: Reduced Glutathione Supplement with Milk Thistle 500 mg per Serving Pure L Glutathione with Alpha Lipoic Acid & Milk Thistle Silymarin for Skin Radiance, Liver Support & Immune Support 7 Science Based Benefits of Milk Thistle Glutathione Supplement Liver Detox with Quercetin Vitamin C Milk Thistle Alpha Lipoic Acid Liver Supplement & Immune Support Pills Natural Immunity Defense Health Formula & Liver Cleanse 500mg 60ct Macy's