Evidence supporting the use of: Mandarin
For the health condition: Nausea and Vomiting

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Synopsis

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

Mandarin (Citrus reticulata), particularly its dried peel (commonly known as Chen Pi in Traditional Chinese Medicine), has a long history of use in East Asian herbal medicine for the management of digestive complaints, including nausea and vomiting. Traditional Chinese Medicine (TCM) texts describe Chen Pi as a remedy that “regulates qi,” harmonizes the stomach, and helps to relieve symptoms such as nausea, vomiting, and bloating. The rationale for its use is primarily based on centuries of empirical observation and traditional herbal formulations, rather than on modern clinical trials.

While some laboratory and animal studies have suggested that compounds in citrus peels, such as essential oils and flavonoids, may have mild antiemetic or gastroprotective effects, there is limited high-quality clinical evidence specifically supporting the use of mandarin or its peel for nausea and vomiting in humans. Most modern references to its use for these symptoms cite traditional sources rather than robust scientific validation. Therefore, the evidence rating is modest and primarily rooted in tradition, not in modern randomized controlled trials.

In summary, the use of mandarin peel for nausea and vomiting is justified by traditional medical systems, with limited scientific validation to date.

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