Pueraria mirifica
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| Pueraria mirifica Airy Shaw & Suvatab. |
Pueraria mirifica (also known as Kwao Krua or Butea Superba) is a plant found in Thailand and Myanmar.
Its tuber contains phytoestrogens such as miroestrol, deoxymiroestrol, and coumestans, and is used in breast enhancement supplements such as Mirifem and St. Herb. The pharmaceutically used variety is White Kwao Krua; the other ones are Black and Red Kwao Krua.
Miroestrol and deoxymiroestrol are found only in Pueraria mirifica. They are much stronger than soy or red clover isoflavones, and are under investigation for possible use in hormone replacement therapy.
Article: Composition of Pueraria Mirifica
