Evidence supporting the use of: Labrador Tea
For the health condition: Canker Sores

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Synopsis

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

Labrador Tea (Rhododendron groenlandicum and related species) has been used traditionally by Indigenous peoples in North America for a variety of medicinal purposes, including as a rinse or tea for mouth and throat ailments such as canker sores (aphthous ulcers). The rationale for its traditional use is largely based on its observed anti-inflammatory and mildly antiseptic properties, attributed to compounds like ledol and tannins found in the leaves. While there are references in ethnobotanical literature documenting its use for oral sores, there is a lack of controlled scientific studies evaluating its efficacy specifically for canker sores. No clinical trials or pharmacological studies have directly tested Labrador Tea's effects on aphthous ulcers. Therefore, while its use persists in folk medicine and is supported by anecdotal experience, scientific validation is lacking. The evidence thus rates as a 2, reflecting a moderate degree of traditional use but little or no modern scientific support. Care should also be taken, as some components of Labrador Tea can be toxic in large quantities.

More about Labrador Tea
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Products containing Labrador Tea

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