Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Dulse (Palmaria palmata) is a type of edible red seaweed traditionally consumed in coastal regions of the North Atlantic. Its use as a food dates back centuries in Ireland, Scotland, and parts of Canada. In traditional herbal and folk medicine, dulse, like other seaweeds, has been used to support digestive health, including alleviating constipation. This is primarily attributed to its relatively high fiber content, which can add bulk to the stool and promote bowel regularity. However, the specific traditional use of dulse for constipation is not as widely documented or emphasized as with other fiber-rich plants or seaweeds like kelp. Scientifically, there is very limited direct evidence supporting dulse's effectiveness for treating constipation in adults. Most references to dulse's benefits for constipation are based on the general knowledge that dietary fiber can help relieve constipation and that dulse contains both soluble and insoluble fibers. There are no well-controlled clinical trials specifically evaluating dulse for this indication. Therefore, while there is a traditional rationale for its use that is plausible based on its nutritional profile, the actual evidence base is minimal and largely anecdotal.

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