PAU D’ARCO EXTRACT 4-1 is obtained from the tree Tabebuia avellanedae and in higher concentrations, it is used in the treatment of respiratory viral infections like common cold, swine flu, flu, sexually transmitted infections including gonorrhea, syphilis, bladder and prostate infections, parasitic infections and infectious diarrhea. It is also effective against diabetes, asthma, gastritis, bronchitis, hernias and wounds.