Bian Xu – 扁蓄

Bian Xu – 扁蓄 is the dried whole plant of Polygonum aviculare L., commonly known as Knotgrass or Knotweed. Sourced and processed under strict quality control, Phoenix Medical ensures each batch is naturally dried without sulphur and free from prohibited additives. Bian Xu is referenced in classical Chinese herbal texts and traditionally featured in herbal formulations that follow the principles of clearing dampness within the TCM framework.

Key Features

Bian Xu is processed under the DaoDi principle for authenticity and potency, manufactured in GMP-certified facilities and compliant with EU/UK standards. Suitable for professional TCM dispensaries and practitioners seeking reliable ingredients for traditional herbal prescriptions.

Latin name: Polygonum aviculare L.
Common name: Knotgrass, Knotweed, Polygonum
Part used: Whole plant
Traditional meridian affiliation: Bladder

Referenced in classical Chinese herbal texts, Bian Xu is traditionally included in formulations that align with the principles of clearing dampness and supporting healthy fluid pathways. In the TCM framework, it is often associated with formulas aimed at balancing internal environments during seasonal or systemic shifts.

Phoenix Medical’s Bian Xu is ethically sourced and processed under the DaoDi principle, ensuring authenticity and potency. Each batch is naturally dried without sulphur and rigorously tested for quality, including checks for identity, heavy metals, pesticide residues, and microbiological safety.

Manufactured in GMP-certified facilities and compliant with EU/UK standards, all Phoenix herbs are free from herbicides, pesticides, and prohibited additives—providing practitioners with traceable, reliable ingredients for traditional herbal prescriptions.