Respiratory TonicCertified 425 mgDietary SupplementLobelia (Lobelia inflata) often called Asthma or Puke weed has been used for centuries as a mild expectorant. It is named after botanist Matthias de Lobel who died in London in 1616.Nature"s Way Lobelia is carefully tested and produced to certified quality standards.Lobelia grows throughout North America. The leaves are primarily used in herbal medicine.Eclectic physicians, early North American doctors who used herbs as their primary medicine, considered lobelia to be one of the most important medicinal plants. It was used by Eclectics to treat coughs and spasms in the lungs from varying causes, as well as spasms elsewhere in the body, including the intestines and ureters (passages from the kidney to the bladder). Lobelia was also considered a useful pain reliever and in higher amounts was used to induce vomiting in people who had been poisoned.