Promotes Healthy Liver Functions. Milk Thistle (Silybum Marianum) contains silymarin which counteracts the toxic effects of a wide variety of poisons. Silymarin is a potent liver protectant used for hepatitis, viral hepatitis, cirrhosis, jaundice, psoriasis, free radical protection, fatty degeneration of the liver, hemorrhoids, varicose veins, degenerative Malfunction of mind or bodys of blood vessels, mushroom poisoning and other liver problems.