Evidence supporting the use of: Gum
For the health condition: Belching

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Synopsis

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

Chewing gum is sometimes recommended as a way to help reduce belching (eructation) due to its effects on gastrointestinal function. The main mechanism involves the stimulation of saliva production and increased swallowing frequency. Increased saliva can help neutralize gastric acid and promote esophageal clearance. However, frequent swallowing while chewing gum may also lead to increased air swallowing (aerophagia), which can paradoxically increase belching in some individuals. Clinical studies on the efficacy of gum for belching are limited and results are mixed. Some small studies suggest that chewing gum after meals may reduce symptoms of reflux, which can be associated with belching, by enhancing esophageal clearance and decreasing acid exposure. However, there is little direct scientific research specifically targeting belching as an outcome, and the evidence is not robust. Most recommendations to use gum for belching are based on its general effects on the digestive tract rather than strong clinical trials. Overall, there is modest scientific rationale but weak direct evidence supporting chewing gum as a treatment for belching, and its effects may vary between individuals.

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