Evidence supporting the use of: Labrador Tea
For the body system: Bladder

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Synopsis

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

Labrador Tea (Rhododendron groenlandicum, formerly Ledum groenlandicum) has a long history of traditional use among Indigenous peoples in North America, particularly in Canada and Alaska. The leaves were brewed as a tea to address various ailments, including urinary tract issues and kidney complaints. In traditional medicine systems, Labrador Tea was believed to have diuretic properties, which could theoretically support the bladder by increasing urine flow and helping to flush the urinary system. Historical ethnobotanical records document its use for this purpose by First Nations and Inuit communities. However, modern scientific research on Labrador Tea’s effects on the bladder or urinary tract is extremely limited. There are no well-designed clinical trials or pharmacological studies that confirm its efficacy or safety for bladder health. Some laboratory studies suggest the presence of certain terpenoids and flavonoids with antimicrobial or anti-inflammatory properties, but these have not been specifically linked to bladder support in humans. Furthermore, Labrador Tea contains compounds (such as ledol) that can be toxic in high doses, raising safety concerns. Therefore, while its use for bladder support is rooted in tradition, there is minimal scientific evidence to substantiate these claims.

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