
In herbal medicine hyssop is believed to have soothing, expectorant, and cough suppressant properties.[16] Hyssop has been used for centuries in traditional medicine in order to increase circulation and to treat multiple conditions such as coughing and sore throat.[17]Hyssop can stimulate the gastrointestinal system.[18]
More information at https://en.wikipedia.org/wiki/Hyssopus_officinalis