NOW Foods Liver Detoxifier & Regenerator is a proprietary blend of herbs and nutrients designed to support healthy liver function. Now Foods Liver Detoxifier & Regenerator contains Milk Thistle Extract, which has been shown in clinical and non-clinical studies to support the liver, as measured by standard liver enzyme laboratory tests. It is a combination of herbs and nutrients formulated to support the liver’s role in these processes. This product combines Milk Thistle Extract with a unique herbal-enzyme blend to create a balanced botanical formula for healthy liver function. In addition, Liver Detoxifier & Regenerator contains N-Acetyl Cysteine and Methionine, two amino acids known to enhance the production of glutathione in the liver. Glutathione, a major cellular antioxidant plays an essential role in liver detoxification mechanisms.