Synopsis

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

Dioscorea, commonly known as yam, has a historical presence in traditional medicine systems, particularly in Chinese and other Asian herbal traditions. Dioscorea species, such as Dioscorea opposita (Chinese yam), have been used to support digestive health, including the relief of mild constipation. Traditional Chinese Medicine (TCM) often utilizes Dioscorea as part of herbal formulas aimed at nourishing the spleen and stomach, which are thought to facilitate proper digestion and bowel movements. The starchy tubers are considered to have a moistening effect and are sometimes recommended for cases of mild, chronic constipation, especially when associated with dryness or deficiency patterns.

Despite its traditional use, there is limited modern scientific research specifically addressing Dioscorea’s efficacy as a treatment for constipation in adults. Most available studies focus on its nutritional value or potential hormonal effects (due to diosgenin content), rather than direct laxative or prokinetic actions. However, as a food rich in fiber and resistant starch, Dioscorea may contribute to improved bowel regularity by increasing stool bulk and promoting beneficial gut flora. This nutritional mechanism underlies some of its traditional applications for digestive support.

In summary, the use of Dioscorea for constipation is primarily justified by traditional practice, with some plausible benefit arising from its fiber content. Robust clinical trials are lacking, so its role as a constipation remedy remains based more on historical use and nutritional content than on strong scientific validation.

More about dioscorea
More about Constipation (adults)

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