A neutraceutical beverage comprising pericarp extract from the Garcinia mangostana L. (mangosteen) plant, and juice from mangosteen fruit pulp, preferably combined with juice from at least one of four other ingredients selected from red grapes, lycium, sea buckthorn, and apple, preferably obtained from powdered extract of mangosteen pericarp and a mixture of fruit concentrate and/or powdered fruit and/or fruit extract In a preferred embodiment the neutraceutical beverage comprises mangosteen pericarp extract and juice from each of mangosteen fruit pulp, red grapes, lycium, sea buckthorn, and apple. The mangosteen pericarp extract can be obtained by a process in which mangosteen pericarp is extracted with ethanol, for example, a 50% ethanol, 50% water solution, and the extract is dried under vacuum. The beverage optionally can include one or more additional fruit juices or concentrates, or fruit or plant extracts, such as concord grape concentrate, blueberry concentrate, red raspberry concentrate, powdered green tea extract, powdered grape seed extract, and powdered grape skin extract.