Synopsis

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

Carbonated water, also known as sparkling water, has a modest scientific basis for use in supporting indigestion (dyspepsia). Several small studies have suggested that carbonated water can improve symptoms of dyspepsia and constipation. For instance, a randomized controlled trial published in the European Journal of Gastroenterology & Hepatology (2002) found that patients with functional dyspepsia and constipation who consumed carbonated water experienced significant improvements in both indigestion symptoms and bowel movement frequency compared to those who drank still water. The proposed mechanisms include increased gastric motility and stimulation of digestive secretions due to the mild acidity and effervescence of carbonated water. However, the evidence is limited by small sample sizes, short study durations, and a lack of replication in larger, high-quality trials. Furthermore, carbonated water may not be suitable for all individuals, especially those with gastroesophageal reflux disease (GERD), as it can exacerbate symptoms in some cases. In summary, while there is some scientific support for the use of carbonated water in relieving indigestion, the evidence is not robust, and more research is needed to establish its efficacy and safety for this purpose.

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