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Herb guide › Knotgrass

Knotgrass

A traditional herbal infusion made from Polygonum aviculare, also called common knotgrass. The aerial herb has a grassy, earthy and mildly astringent flavor. Traditional European herbal use includes urinary and astringent preparations.

Traditionally used for

Urinary discomfort, Mild digestive irritation, UTI

Potential benefits

Supports urinary function with astringent and antioxidant properties, anti-inflammatory and diuretic support.

Ingredients

Knotgrass (Polygonum aviculare)

Origin

Europe, Asia

How it is traditionally prepared

1–2 tsp dried aerial herb/8 oz water, steep 10 minutes. 1 cup daily for short-term traditional use.

Cautions and who should avoid it

Human clinical evidence is limited. Avoid medicinal amounts during pregnancy and use caution with kidney conditions or medications affecting fluid balance; use caution with dehydration.

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This information is for general education about traditional herbal use. It is not medical advice and is not intended to diagnose, treat, cure, or prevent any condition. Talk with a qualified healthcare professional before using herbs, especially if you are pregnant, nursing, taking medication, or have a health condition.