Evidence supporting the use of: Job's Tears
For the body system: Kidneys

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Synopsis

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

Job's Tears (Coix lacryma-jobi), also known as Yi Yi Ren in Traditional Chinese Medicine (TCM), has a long history of use in East Asian herbal traditions. In TCM, it is classified as a mildly sweet and bland herb that is believed to promote urination and strengthen the Spleen while also benefiting the Kidneys. The "Kidney" system in TCM encompasses more than the anatomical organ and is associated with water metabolism, vitality, and reproductive health. Traditionally, Job's Tears is used to drain dampness, support urinary function, and address conditions such as edema and joint pain, which are sometimes attributed to Kidney deficiency or dysfunction in TCM theory.

However, there is limited scientific research directly validating Job's Tears for supporting kidney function in the biomedical sense. Most modern studies focus on its anti-inflammatory, immunomodulatory, and anticancer properties, or its use in metabolic disorders. Some animal studies suggest diuretic effects, which could indirectly support kidney function by promoting urine output, but robust clinical trials in humans are lacking. Therefore, the use of Job's Tears for kidney support is primarily justified by traditional use rather than scientific evidence.

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Products containing Job's Tears

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