Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Rehmannia glutinosa is primarily used to support the Spleen body system based on traditional Chinese medicine (TCM) principles. In TCM, the Spleen is considered central to digestion and the transformation and transportation of nutrients. Rehmannia glutinosa, especially when prepared (Shu Di Huang), is thought to nourish blood and yin, and is included in classic herbal formulas to tonify and support the Spleen, especially in cases of deficiency. Historical texts such as the "Shennong Bencao Jing" describe its use for replenishing vitality and treating symptoms attributed to Spleen weakness, such as fatigue and poor appetite.

From a scientific perspective, most studies on Rehmannia focus on its effects on the kidneys, liver, blood sugar regulation, and anti-inflammatory properties. There is little direct clinical or pharmacological research validating its use specifically for “Spleen” function as conceived in TCM, as this concept does not map directly onto Western biomedical systems. Thus, the evidence for Rehmannia glutinosa’s support of the Spleen is largely traditional, with empirical support from centuries of TCM practice but limited modern clinical validation for this particular indication.

In summary, the use of Rehmannia glutinosa for supporting the Spleen is grounded in traditional use rather than robust scientific evidence, and its role in this context should be understood within the framework of traditional Chinese medicine.

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