GO Milk Thistle 50,000 provides Maximum Strength Liver Support , liver function, helping protect against substances that could potentially cause harm to the liver. The liver is one of the most important organs in the body and is responsible for the elimination of toxins. An individuals health, energy and overall well-being can be largely determined by the health of the liver. DOSE : ONE vegecap a day. Ingredients: Milk Thistle (Silybum marianum) extract.