Tian Ma Gou Teng Yin is a classical formula designed for Liver Wind Stirring Internally, Liver Yin Deficiency, Blood Pressure Rising due to Liver Yang Rising, marked as Headache, Dizziness, Vertigo, Tinnitus, Blurred vision, Sensation of Heat rushing to the head, Sleep disturbance, Dream disturbed sleep, Numbness, Twitching and spasms in the extremities, Trembling tongue, Red color Tongue, Wiry and rapid or Wiry, tight and rapid pulse. Treasure of the East® herbal formulas are full-spectrum, pharmaceutical-grade, and extracted with only purified water to replicate a traditional decoction. They are produced by Tianjiang Pharmaceutical, the world's largest producer of herbal granules, in a facility that is fully automated and computer-controlled to ensure quality and consistency. Products are tested extensively in Tianjiang's CNAS National Laboratory, yielding high-precision data regarding each herb's identity, origin, the concentration of effective components, heavy metals, pesticide residues, and proper dosage in concentrated form. Tianjiang's production protocols for concentrated herbal extracts have been internationally recognized and adopted into the pharmaceutical and food standards of the China Food and Drug Administration.