Looking for evidence that Cold-fx helps prevent colds? In recent years, a few more studies on this patented, standardized extract of North American ginseng root (Panax quinquefolius) have been completed. But is the research more than preliminary?
Evening primrose and borage oils are marketed to treat everything from cancer and arthritis to hot flashes and diabetes, though there’s no good clinical research to back up claims. They’re especially promoted for skin conditions, notably eczema.