Synopsis

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

Bicarbonate, most commonly in the form of sodium bicarbonate (baking soda), has a long history of traditional use as an antacid to relieve symptoms of indigestion, including belching. The rationale is that bicarbonate neutralizes stomach acid, which can reduce gastric irritation and the sensation of bloating. The neutralization reaction produces carbon dioxide gas, which may actually increase belching in the short term as the body expels the excess gas. Despite this, bicarbonate's use for gastrointestinal discomfort has been widespread for over a century, and it remains an over-the-counter remedy in many countries. Scientific evidence specifically supporting the use of bicarbonate for belching is limited. While it is effective at neutralizing gastric acid and can provide symptomatic relief for heartburn and dyspepsia, the gas produced can cause or exacerbate belching. Thus, its use for belching is based more on tradition and anecdotal reports than on strong clinical evidence. Clinical guidelines do not specifically recommend bicarbonate for belching, and it is not a first-line therapy for this symptom. Overall, while there is a historical precedent for its use, the scientific rationale is weak and its use may not always be beneficial for this particular symptom.

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