Si Jun Zi Tang is a classical formula that was designed for Qi deficiencies in the spleen, heart, and lung. Indicators include a pale face with sallow complexion, and pale lips. Other indicators include tired limbs, shortness of breath, loose stool, fatigue, and low, soft voice – as though the person does not want to speak. Also, marked by a pale, flabby or tooth marked tongue with white tongue coating and a forceless and deficient 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.