Evidence supporting the use of: Sicilian Sumac
For the health condition: Belching

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Synopsis

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

Sicilian Sumac (Rhus coriaria) has a long-standing history of use in traditional Mediterranean and Middle Eastern medicine, particularly for digestive ailments, including belching (eructation), indigestion, and flatulence. Historical records and ethnobotanical surveys indicate that sumac has been valued for its carminative properties—that is, its reputed ability to relieve gas and settle the stomach. The astringent and mildly acidic nature of sumac, due to its content of organic acids (notably malic and citric acid) and polyphenols, has been thought to balance stomach function and reduce symptoms of dyspepsia, which may include belching.

However, scientific validation for the use of Sicilian Sumac specifically for belching is limited. A small number of laboratory and animal studies have demonstrated sumac’s antioxidant, antimicrobial, and anti-inflammatory properties, and some research suggests potential benefits in gastric health. No high-quality clinical trials directly support its efficacy for belching in humans. Thus, while traditional use is well documented, modern scientific evidence remains insufficient. The rating of 2 reflects the presence of meaningful traditional use with very limited scientific support.

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