Synopsis

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

Bitter principles (often referred to as "bitters") have a long history of traditional use in supporting various digestive complaints, including belching (eructation). Herbal bitters are plant-derived compounds with a characteristically bitter taste, commonly found in herbs such as gentian, dandelion, and artichoke. In traditional European and Asian medicine systems, bitters have been utilized to "stimulate digestion" and "improve appetite," under the belief that their taste triggers a reflex increase in saliva, gastric juices, and bile secretion. This is thought to help alleviate symptoms such as bloating and belching, which are associated with sluggish or incomplete digestion.

Modern research on the use of bitters specifically for belching is limited, but some clinical and laboratory studies have shown that bitters increase the secretion of digestive fluids, potentially improving overall digestive function. However, direct evidence linking bitters to a reduction in belching is sparse, and most claims remain rooted in empirical use and traditional herbal medicine texts. The European Medicines Agency (EMA) and German Commission E have recognized bitters for supportive use in dyspeptic complaints, which may encompass belching. Still, the evidence base is not robust, and more rigorous clinical trials are needed.

In summary, the use of bitter principles for belching is primarily justified by traditional practice, with limited scientific validation and low to moderate evidence supporting their efficacy for this specific symptom.

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