Subprostrata / Shan Dou Gen / 山豆根
To remove toxic heat, promote the subsidence of swelling, and soothe the sore throat.
100g (3.5oz) of the concentrated granules extracted from 500g of the raw herbs.
Dissolve 1-2 grams in a cup of hot water to make a tea 2-3 times daily.
Sophora subprostratae root (shan dou gen).