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

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Synopsis

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

Yerba mate (Ilex paraguariensis) is primarily used in South American traditional medicine as a stimulant and general tonic, rather than specifically for treating nausea and vomiting. However, in some folk traditions, yerba mate infusions have been consumed to "settle the stomach" or as part of mixtures intended for digestive complaints, which may include occasional use for nausea. The traditional rationale largely relates to yerba mate's gentle stimulation of the digestive system, which can sometimes, anecdotally, provide relief from mild digestive upset. Despite this, yerba mate is not widely documented in ethnobotanical literature as a primary or common remedy for nausea or vomiting, especially compared to established antiemetic herbs like ginger or peppermint. From a scientific perspective, there is minimal to no direct clinical evidence supporting yerba mate as an antiemetic. Some limited animal studies suggest antioxidant and anti-inflammatory effects, but these are not specifically linked to relief of nausea or vomiting. Furthermore, yerba mate's caffeine content could potentially exacerbate gastrointestinal discomfort in sensitive individuals. Therefore, while there is a minor tradition of its use for general digestive well-being, neither robust traditional documentation nor scientific research substantiate yerba mate as a reliable remedy for nausea or vomiting.

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