Milk Thistle Powder, standardized for 80% Silymarin, is used as a liver detoxifier and tonic. It is especially helpful when using orally active prohormones to protect the liver from damage. Healthly Liver Function Detox Liver Repair Milk thistle Silybum marianum has been used since Greco-Roman times as an herbal remedy for a variety of ailments, particularly liver problems. In the late 19th and early 20th centuries physicians in the United States used milk thistle seeds to relieve congestion of the liver, spleen, and kidneys. Today, several scientific studies suggest that active substances in milk thistle particularly silymarin protect the liver from damage caused by viruses, toxins, alcohol, and certain drugs such as acetaminophen a common over the counter medication used for headaches and pain acetaminophen, also called paracetamol, can cause liver damage if taken in large quantities or by people who drink alcohol regularly. Many professional herbalists recommend milk thistle extract