Inula racemosa is a cousin to Inula helenium also known as elecampane. Traditionally Inula has been used as diuretic and an expectorant, to aid colds, induce sweating, and clear and strengthen the lungs and skin. Experiments show that in extract form, Inula has antiseptic, antibacterial, anti-yeast and antiulcer properties. Recent studies show it is effective against H. pylori bacteria. Traditionally it has been used for colds, cough, arthritis, infection, cancer and ulcers.
Studies show that licorice has antibacterial, antifungal and antiviral activities.
Pau d'Arco is a tree from the rain forests. Despite the wet area and humid air, fungus will not grow on this tree. The native people have used pau d'arco to treat arthritis, diabetes, malaria, tumors, and ulcers. Studies show this herb to be effective against candidiasis and that it may reduce tumors. Current research shows that pau d'arco is effective against H. pylori bacteria.