What it is
Bian Xu (Knotgrass) is a TCM herb used to clear damp-heat from the urinary tract and address kidney stones. It supports liver detoxification and elimination pathways.
Supplement · Liver & Hepatoprotective
Bian Xu (Knotgrass)
500 mg · vegan · gluten-free · 90 caps
urinary-tract-infectionskidney-stonesinflammation liverkidneylymphatic system
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How it works
Bian Xu acts as a diuretic, promoting the elimination of excess fluid and waste products. Its compounds are believed to reduce inflammation and protect liver cells from damage.
Who should take it
Adults looking to address sluggish detox, fatigue, skin breakouts. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
How long does it take to see results?
For detox markers, effects are typically measurable within 4-8 weeks of consistent daily use.
Can Bian Xu be combined with other supplements?
Yes, it can be layered into a broader protocol. However, consult a clinician if you are on prescription medications affecting similar pathways.
What are the common side effects?
Side effects are uncommon at recommended doses, but mild gastrointestinal upset may occur when first starting the supplement.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for liver detoxification and elimination
From the blog
Editorial notes
SacredBod's longer take on Bian Xu (Knotgrass) — context the structured blocks above don't capture.
About Bian Xu (Knotgrass)
Bian Xu (Knotgrass) is a liver & hepatoprotective supplement used to support liver detoxification and elimination. Knotgrass for urinary damp-heat and stones. It is available in capsule form and dosed for adults in India and internationally. As a tcm-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. Bian Xu (Knotgrass) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the liver, kidneys, lymphatic system, and effects are dose-dependent, typically becoming measurable within 4-8 weeks for detox markers. Consistency matters more than dose size for this category.
Evidence
Bian Xu (Knotgrass) carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for liver detoxification and elimination. Knotgrass for urinary damp-heat and stones. Benefits are cumulative rather than immediate, typically becoming noticeable within 4-8 weeks for detox markers, and individual response varies.
Dosing
A typical dose is 500 mg, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address sluggish detox, fatigue, skin breakouts. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Liver & Hepatoprotective category, Bian Xu (Knotgrass) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
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