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Hu Zhang

Available Forms are, powders, cut, concentrated powder and tablets plus sizes are located below.


Other Names

  • Bushy Knotweed
  • Japanese Bushy Knotweed
  • Polygonum cuspidatum root & rhizome
  • Knotweed

Pin Yin Name

  • Hu Zhang

Caution / Drug Interaction

  • Do not use if pregnant or nursing


Each batch of herbs is dual-lab tested by in-house lab and independent third party lab. In-house lab is equipped with instruments such as a high performance liquid chromatograph, moisture determination meter, Fourier transform infrared spectrometer, atomic absorption spectrophotometer, gas chromatograph, etc.

In addition, the following additional tests are performed:

  • Microbacteria
  • Pesticides - over 200 pesticides tested for (Uab 2000 screen).
  • Heavy Metals - Lead, Mercury and Arsenic

Healing Lyme Disease by S. Buhner