Dietary supplements useful for treating or preventing cardiac disease are disclosed According to some embodiments, the presently disclosed supplement includes a pomegranate product fermented with a statin-producing fungus such one or more of Monascus, Aspergillus, Penicillium, Pleurotus, Pythium, Hypomyces, Paelicilomyces, Eupenicillium, and Doratomyces. Alternatively or additionally, the presently disclosed supplement includes a pomegranate product in combination with a plant product, such as a grain product and a legume, fermented with the statin-producing fungus. Optionally, the supplement includes at least one of coenzymeQ10 and a tocopherol. The presently disclosed dietary supplements include both a COX-2 inhibitor and a HMG-CoA reductase inhibitor, and in some embodiments, the supplement is useful for reducing or controlling blood cholesterol for managing atherosclerotic disease, and / or for managing blood pressure. Methods of preparing the presently disclosed dietary supplement are also provided.