Health Guide

Cordyceps sinensis

What is it?

Cordyceps Sinensis is a plant that has been used in traditional Chinese medicine to restore energy, promote longevity, stimulate the immune system, and to improve quality of life. Ancient records claim that it is beneficial for the heart, circulatory system, liver, kidneys, respiratory system, and sex organs.

Other names for Cordyceps Sinensis include: Chinese Caterpillar Fungus, Summer Grass, Winter Worm, and Cordyceps Sinensis Mushroom.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
  • are pregnant or plan to become pregnant while using this medicine
  • are breastfeeding
  • have a history of depression, breast cancer, have pheochromocytoma, or ulcers
  • have any other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Cordyceps Sinensis you should take. The amount depends on the strength of the medicine and the reason you are taking Cordyceps Sinensis. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.


  • Before taking Cordyceps Sinensis, tell your doctor if you are pregnant or breastfeeding
  • Use with caution if you have diabetes, as Cordyceps Sinensis can lower blood sugar (1)

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Low blood sugar (hypoglycemia) (1)
  • Upset stomach and dry mouth (1)


1. Zhu JS, Halpern GM & Jones K: The scientific rediscovery of a precious ancient Chinese herbal regime: cordyceps sinensis, part II. J Alt Complement Med 1998; 4(4):429-457.

2. Zhu JS, Halpern GM & Jones K: The scientific rediscovery of a precious ancient Chinese herbal regime: cordyceps sinensis, part I. J Alt Complement Med 1998; 4(3): 289-303.

Last Updated: 7/4/2018
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