Glycyrrhizin, the major ingredient in licorice root, has shown effectiveness against SARS virus in scientific studies. It has been effective in treating viruses such as herpes, HIV, hepatitis, influenza, encephalitis and pneumonia.
Glycyrrhizin outperformed conventional antiviral medications against SARS in research published in the journal The Lancet. The substance seems to work earlier in the virus replication cycle, compared to other medications, inhibiting absorption and penetration of the virus. Read more