Abstract: The present invention provides a composition for a medicinal or health effect of a treatment of liver fat and body fat, a reduction of blood pressure, an increase of the energy expenditure rate, a reduction of inflammatory C-reactive proteins and a reduction of plasma aminotransferase enzymes, comprising an effective amount of fucoxanthin alone or in combination with pomegranate seed oil, a pharmaceutically acceptable salt, a prodrug thereof, or a salt of the prodrug; and a method of using the same. The fucoxanthin may be used in pure form, or as a component of a brown marine vegetable extract.