Synopsis

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

Lotus, particularly the seeds and roots of Nelumbo nucifera, has a long history of use in Traditional Chinese Medicine (TCM) to support the Spleen body system. In TCM theory, the Spleen is central to digestion, nutrient absorption, and energy production. Lotus seeds ("lian zi") are traditionally believed to tonify the Spleen, stop diarrhea, and improve appetite. The roots are also used in various preparations for digestive health. The rationale comes from TCM’s holistic approach, where foods and herbs that are mildly sweet and neutral in temperature are said to strengthen the Spleen and harmonize the digestive tract.

From a scientific perspective, there is limited direct evidence linking lotus or its derivatives to improvements in the human spleen or digestive function as defined in modern medicine. Some studies have shown lotus seeds and roots contain polysaccharides and other compounds with antioxidant, anti-inflammatory, and gastroprotective properties, but these findings have not been specifically tied to the Spleen as understood in TCM or Western medicine. The use of lotus for the Spleen is therefore primarily justified by tradition, with a moderate evidence rating reflecting its longstanding role in TCM but a lack of robust clinical studies.

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