Evidence supporting the use of: White Peony
For the body system: Spleen
Synopsis
Source of validity: Traditional
Rating (out of 5): 3
White Peony (Paeonia lactiflora) is a well-known herb in Traditional Chinese Medicine (TCM), where it is commonly used to support the Spleen body system. In TCM theory, the Spleen is not only responsible for digestion and nutrient assimilation but also plays a vital role in the production and movement of qi (vital energy) and blood. White Peony, known as "Bai Shao" in Chinese, is often included in classical herbal formulas such as "Si Wu Tang" and "Xiao Yao San," where it is said to nourish the blood, soften the liver, and support the Spleen. The traditional rationale for using White Peony to support the Spleen lies in its reputed ability to harmonize the functions of the Spleen and Liver, preventing disharmony that can manifest as fatigue, poor appetite, and digestive disturbances. Historical texts document its use for symptoms like abdominal pain, muscle spasms, and irregular menstruation, which are sometimes associated with Spleen deficiency or dysfunction in TCM. From a modern scientific perspective, there is some evidence that White Peony contains bioactive compounds such as paeoniflorin, which have anti-inflammatory and immunomodulatory effects. However, direct scientific evidence supporting its specific effects on the "Spleen" as conceptualized in TCM is lacking, since this body system does not directly correspond to anatomical spleen function in Western medicine. Thus, the use is primarily justified by traditional rather than strong scientific evidence.
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