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© Martin Wall
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Common name: Caterpillar fungus, Deer fungus parasite,
Chongcao
Parts of Cordyceps used and where is Cordyceps grown
sinensis in its sexual stage is the primary form used.1 However, more
than ten related species (in sexual and asexual stages) as well as artificially cultured
mycelium are today used as substitutes in commercial preparations. C. sinensis,
C. ophioglossoides, C. capita, and C. militaris are the most common
species in commerce.
Historical or traditional use of Cordyceps (may
or may not be supported by scientific studies)
In ancient China, cordyceps was used in the Emperor’s palace and was considered to
have ginseng-like properties.2 It was used to strengthen the body after exhaustion
or long-term illness, and for impotence, neurasthenia, and backache. It was also used to cure
opium addiction.
Active constituents of Cordyceps
contains a wide variety of potentially important constituents, including
polysaccharides, ophiocordin (an antibiotic compound), cordycepin, cordypyridones,
nucleosides, bioxanthracenes, sterols, alkenoic acids, and exo-polymers.3
4 5 6 7 8 9
Many studies on the medicinal effects of cordyceps do not give a clear picture of its
actions because many of the studies (1) are in animals or test tubes; (2) use different
species, preparations, and intake levels; (3) inject cordyceps and/or its constituents rather
than administering them orally; or (4) are not available in English and, therefore, cannot be
reviewed for accuracy and design.
There are some clinical trials supporting the efficacy of cordyceps, particularly for
liver, kidney, and immune problems. A number of studies indicate that cordyceps may have a
anti-cancer, anti-metastatic, immuno-enhancing, and antioxidant effects.10
11 12 13 14
How much Cordyceps is usually taken?
The recommended intake of cordyceps is 3 to 9 grams taken twice daily as a liquid extract,
as food, or as powdered extract.15
Are there any side effects or interactions with Cordyceps?
There are insufficient studies on the safety of cordyceps. However, it has a long history
of use as a food and is generally considered safe.16 There is no information
available about safety in pregnancy, lactation, or use in children.
There are two reported cases of lead poisoning associated with the use of apparently
contaminated cordyceps powder.17 should only be purchased from companies
that test to exclude heavy metal contamination.
At the time of writing, there were no well-known drug interactions
with cordyceps.
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