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

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

American Centaury (Sabbatia angularis) has a history of use in traditional herbal medicine, particularly in North America, where it was employed by Native American groups and early settlers. The plant was used as a bitter tonic to stimulate appetite and aid digestion, and in this context, it has been suggested for relief of symptoms such as nausea and vomiting. The rationale is rooted in the general use of "bitters" to promote digestive function, a concept well-established in traditional Western herbalism. However, there is no robust scientific evidence—such as clinical trials—specifically validating American Centaury's efficacy for treating nausea or vomiting. The available evidence comes from ethnobotanical records and 19th-century herbal compendia, which note its use for "weak stomach," "indigestion," and as a general digestive stimulant. Modern pharmacological studies on Sabbatia angularis are extremely limited, and there is no contemporary research directly linking it to anti-nausea or antiemetic effects. As such, its use for nausea and vomiting is supported primarily by tradition rather than by scientific validation.

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