What is ophiopogon? What is it used for?
      
Ophiogon is a small herb grown in small parts of China. The plant has 
        long, thin green leaves and tuberous whitish roots, which are used in 
        a variety of herbal remedies. It is typically harvested in the summer 
        and allowed to dry out before use.
      Studies on ophiopogon have shown it to possess antipyretic, antitussive, 
        expectorant, diuretic, cardiotonic and tonifying properties. It has also 
        been reported to lower blood sugar, reduce inflammation and protect the 
        body from bacterial infections.
      In traditional Chinese medicine, ophiopogon is believed to moisten the 
        lungs and nourish yin; strengthen the stomach; clear away heat in the 
        heart; and moisten the bowels to relieve constipation. It is also believed 
        by some to be a very powerful shen tonic.
      How much ophiopogon should I take?
      Most practitioners recommend 5-10 grams of dried ophiopogon root decocted 
        in water, depending on the condition. It may also be combined with other 
        herbs to treat deficiencies or tonify yin.
      What forms of ophiopogon are available?
      The most common form of ophiopogon is as a whole, uncut root. Fresh ophiopogon 
        tuber is considered better than hard, dry tubers. It may also be available 
        in powder form, especially as part of another herbal formula.
      What can happen if I take too much ophiopogon? 
        Are there any interactions I should be aware of? What precautions should 
        I take?
      According to TCM principles, ophiopogon should not be used in cases of 
        spleen deficiency that result in diarrhea, or in cases of cough due to 
        exopathegonic wind or retention of phlegm in the lungs. 
      As of this writing, there are no known drug interactions with ophiopogon. 
        As always, consult with a qualified health care provider before taking 
        ophiopogon or any other herbal remedy or supplement.
	  
References
        - Chang HM, But PPH. Pharmacology and Applications 
          of Chinese Materia Medica. Philadelphia, PA: World Scientific, 1986.
- Hua Q, et al. Experimental study on the potentiation 
          effect of ginseng and ophiopogon injection for chemotherapy in mice 
          with graft tumors. International Journal of Oriental Medicine 2001; 
          26(1): 14-18.
- Huang B, Wang Y. Thousand Formulas and Thousand 
          Herbs of Traditional Chinese Medicine. Harbin: Heilongjiang Education 
          Press, 1993.
- Yeung HC. Handbook of Chinese Herbs. Rosemead, 
          CA: Institute of Chinese Medicine, 1996.
- Zhu YP. Chinese Materia Medica: Chemistry, Pharmacology, 
          and Applications. Amsterdam: Harwood Academic Publishers, 1998.