Evidence supporting the use of: Javanese Long Pepper
For the health condition: Nausea and Vomiting

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Synopsis

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

Javanese Long Pepper (Piper retrofractum) has a history of traditional use in various Southeast Asian medical systems, particularly in Javanese and broader Indonesian herbal medicine (jamu). It is sometimes included in formulations intended to address digestive complaints, which may include nausea and vomiting. The rationale for its use is largely based on its warming and carminative properties, which are thought to stimulate digestion and help settle the stomach. However, there is very limited documentation specific to its use for nausea and vomiting, and the evidence is primarily anecdotal or based on traditional texts rather than systematic clinical evaluation. There is a lack of modern scientific studies directly examining the efficacy of Javanese Long Pepper for these symptoms. Existing research on related species such as Piper longum (Indian long pepper) suggests some bioactivity that could influence gastrointestinal function, but these findings cannot be directly extrapolated to Piper retrofractum. In summary, while traditional use exists, the evidence base is weak and primarily historical or ethnobotanical, with minimal scientific validation for its use against nausea and vomiting.

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