A composition comprising vegetable/herbal based dietary ingredients, or extracts, which contains vitamins and nutrients that provide a novel nontoxic treatment for liver cancers, hepatitis, and liver cirrhosis. The composition can be taken as a daily dietary supplement to enhance normal physiological functions of the body. The said composition, or extracts thereof, are useful and effective in the treatment and prevention of liver and possibly other cancers. The compositions are also useful for administration to patients with pre-existing hepatitis and/or liver cirrhosis. The compositions or extracts thereof may be useful for treating other cancers and other disorders, diseases, or conditions.