Sun Ten – Coptis & Rehmannia Formula Granules / Qing Wei San / 清胃散264 – 100g Granule/PowderIngredients: Coptis root (huang lian), Raw rehmannia root (sheng di huang), Tang-kuei root (dang gui), Moutan bark (mu dan pi), Cimicifuga root (sheng ma). Indications: Qing Wei San, also known as Coptis and Rehmannia Formula is a trsaditional Chinese formula used for the patterns of Stomach fire and Blood heat.