Synopsis

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

Galangal, which refers to several species in the Zingiberaceae family (most commonly Alpinia galanga or Kaempferia galanga), has a long-standing history of use in traditional medicine systems, particularly in Southeast Asia. In these traditions, galangal rhizome is employed to address a variety of digestive complaints, including belching, bloating, and indigestion. The rationale for its use is based on its reputed carminative properties—herbs that help expel gas from the gastrointestinal tract and relieve associated discomfort. Texts in Traditional Chinese Medicine (TCM) and Ayurveda mention galangal as a remedy to “move qi” or digestive energy, which is believed to help with symptoms like belching. However, scientific studies directly examining galangal for the treatment of belching are limited. While some research has explored its general effects on digestion—such as promoting gastric secretions or possessing anti-inflammatory properties—there is a lack of robust clinical trials specifically focused on belching. Thus, the use of galangal for this condition is primarily justified by traditional and historical usage, with only preliminary or indirect scientific support. Until more rigorous studies are conducted, the evidence supporting galangal’s efficacy for belching remains rooted in tradition rather than modern science.

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