Milk Thistle Extract – 450 mg Supports Liver Function Promotes Glutathione Production Softgels for Improved Solubility Non-GMO A Dietary Supplement Botanicals/Herbs Family Owned Since 1968 GMP Quality AssuredMilk Thistle (Silybum marianum) has been used by traditional herbalists for centuries. Clinical and non-clinical studies have indicated that Milk Thistle extract may help maintain healthy liver function through its ability to promote glutathione production, as well as by supporting the body’s normal detoxification processes.