Synopsis

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

Cornsilk (Zea mays stigma) has a long history of use in traditional medicine, particularly in Native American, Chinese, and traditional European herbal practices, as a remedy for urinary tract and bladder issues. Traditionally, cornsilk tea or extracts have been used as a mild diuretic and soothing agent to support bladder health, relieve urinary discomfort, and promote urination. Historical records and ethnobotanical reports frequently note its application for conditions such as cystitis, urethritis, and general irritation of the urinary tract. The rationale for its use is primarily based on its perceived soothing, anti-inflammatory, and diuretic properties, rather than on rigorous scientific validation.

Scientific studies on cornsilk’s effectiveness for bladder support are limited and generally of low quality. Some in vitro and animal studies have suggested mild anti-inflammatory and antioxidant effects, and a diuretic action, but robust clinical trials in humans are lacking. The existing evidence does not provide a strong scientific foundation for its efficacy, but it does support the traditional use to some extent. Overall, while cornsilk is widely used in traditional herbal medicine for bladder support, its use is not strongly validated by modern clinical research.

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