Siwu Tang Wan () is a brownish-black pill used in traditional Chinese medicine to "normalize menstruation and enrich blood".State Pharmacopoeia Commission of the PRC (2005). "Pharmacopoeia of The People's Republic of China (Volume I)". Chemical Industry Press. . It is aromatic and tastes slightly sweet and bitter. It is used where there is "deficiency of blood, and irregular menstruation".Long Zhixian, Li Qingye, Liu Zhanwen. "Formulas of Traditional Chinese Medicine" (方剂学 fāngjì xué), Academy Press (学苑出版社 xuéyuàn chūbǎnshè), Beijing University of Traditional Medicine. 2005. . The name Siwu Tang Wan literally means Pill of Four Substances in Chinese.
Chinese classic herbal formula NameChinese (S)GramsRadix Angelicae Sinensis当归 250 Rhizoma Chuanxiong川芎 250 Radix Paeoniae Alba白芍 250 Radix Rehmanniae Preparata熟地黄 250
See also Chinese classic herbal formula Bu Zhong Yi Qi Wan
References