Evidence supporting the use of: Adzuki bean
For the health condition: Kidney Stones

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Synopsis

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

Adzuki bean (Vigna angularis) has a long history of use in Traditional Chinese Medicine (TCM) and other East Asian traditional medicine systems, where it is commonly used as a food and a herbal remedy. In traditional practice, adzuki beans are believed to have diuretic properties, helping to promote urination and thereby “clearing heat” and “removing dampness” from the body. These actions are thought in TCM to be beneficial for supporting kidney health and potentially preventing or alleviating conditions such as kidney stones. The beans are sometimes included in decoctions or porridges for this purpose. However, scientific validation for the use of adzuki beans specifically in the prevention or treatment of kidney stones is limited. There are a few laboratory and animal studies suggesting that adzuki beans may have antioxidant, anti-inflammatory, and mild diuretic effects, but direct clinical studies on kidney stone prevention or dissolution are lacking. The rationale in tradition is based more on the general diuretic effect and the belief in supporting kidney function rather than evidence on stone dissolution or prevention. In summary, while adzuki beans are traditionally used for urinary and kidney health—including as a folk remedy for kidney stones—the scientific evidence is weak and indirect, meriting a low evidence rating.

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