Synopsis

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

Citrus fruits, such as lemon and orange, have a longstanding history in traditional medicine systems worldwide for aiding digestion and relieving symptoms like belching (burping). In folk remedies, lemon juice or diluted citrus extracts are often consumed after meals to "settle the stomach" and reduce gas buildup, which can lead to belching. The presumed mechanism is the stimulation of gastric secretions and improvement of gastric motility, helping to move gas through the gastrointestinal tract.

However, scientific studies directly evaluating "Citrus (unspecified)" for the treatment or reduction of belching are lacking. While citrus fruits contain organic acids—most notably citric acid—that may increase stomach acidity and marginally influence digestion, there is little clinical evidence to support these traditional claims specifically for belching. Most available data focus on citrus for general digestive support rather than targeted relief of belching. There is also some anecdotal evidence and self-reported benefit, but clinical trials are absent.

In summary, the use of citrus to support or treat belching is primarily rooted in traditional and folk practices, with a low level of evidence from modern scientific research.

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