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What is it?
Cordyceps is naturally found at high altitude in the mountains of China, Nepal and Tibet. It is also known as the Caterpillar fungus as it grows on and obtains nutrients from several different kinds of caterpillars.
How has it been used?
Cordyceps came to global attention in 1993 when a group of Chinese runners broke nine world records in the World Outdoor Track and Field Championships in Germany that year. The coach of the athletes attributed the remarkable improvement in his teams results to the use of a tonic that was based on Cordyceps sinensis, long held in high regard in Traditional Chinese Medicine (TCM) as a tonic for energy, stamina and endurance.
Cordyceps has only been able to be produced on a commercial scale in recent years so it has now become much more available but for many centuries it could only be obtained through a great deal of pain-staking searching in very specific areas (especially the high mountain plains of Tibet). In the past Cordyceps was such an extremely rare medicine that it was by far the most expensive product in Oriental medicine i.e. 75 thousand dollars a kilo in San Francisco in the late 20th century! Historically it was mostly used by the Emperor and members of the nobility as a kind of super-Ginseng, to help them with rejuvenation and to regain some stamina, especially in the bedroom!
Collecting Cordyceps in Tibet
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Science on Cordyceps
There has been a great deal of modern scientific research into Cordyceps, especially through the state sponsored Chinese medical system which still uses herbs as its mainstream medicine.
~ More than 2000 patients have been involved in clinical trials using Cordyceps. Placebo-controlled studies have shown it to particularly benefit elderly patients with fatigue and to improve libido in those who have reported a low sex-drive (Yang, W., et al. Clinical study of Cordyceps Sinensis on treatment of hyposexuality. J. Admin Traditional Chinese med 5, 1995: 23-24).
~ Cordyceps has a strong traditional use for treating chronic respiratory disorders such as asthma and bronchitis. Studies have shown that it does improve respiratory function but noted that the effects are accumulative and took 5-6 weeks to achieve a maximum benefit. Hans, SR. Experiences in treating patients of chronic bronchitis and pulmonary diseases with Cordyceps capsules. J. Administration Traditional Chinese Med 5(suppl) 1995: 33-34).
~ Chinese physicians have long regarded Cordyceps as one of the best medicines to aid sick kidneys and a modern study with 30 patients with renal failure have shown that it does indeed protect against toxic chemical damage to the kidneys as well as significantly improve overall kidney function (Chen =, Y. P., et al. Chinese Traditional Herbal Drugs 17(6), 1986: 256-258)
~ Both human and animal studies have shown that Cordcyeps gives multiple benefits to the cardiovascular system, even with such severe issues as ischemic heart disease, arrhythmias and chronic heart failure. (Lou, Y., et al. Cardiovascular pharmacological studies of Cordyceps. Chinese Traditional and Herbal Drugs 17(5), 1986:17-21; 209-213) (Feng, M.G., et al J Chinese Materia Medica 12(12), 1987:745-749)
~ Although no single drug or herb is equally effective in all patients, it appears rare for a patient’s arrhythmia to remain unaffected by the addition of Cordyceps to the treatment regimen. Cordyceps has been used traditionally to treat patients with heart disease and those recovering from stroke. In studies of patients suffering from chronic heart failure, the long-term administration of Cordyceps, in conjunction with conventional treatments—that is, digoxin, hydrochlorothiaside, dopamine, and dobutamine, promoted an increase in the overall quality of life. This included general physical condition, mental health, sexual drive, and cardiac function, compared to the control group. (Chen DG. Effects of JinShuiBao capsule on the quality of life of patients with heart failure. J Admin Trad Chin Med. 1995;5:40–3)
~ A double blind, randomised, placebo-controlled study which lasted 2 months showed 76% of patients having more than a 10% increase in HDL (good) cholesterol with over half having more than a 20% decrease in harmful triglycerides and a more than 10% decrease in LDL (bad) cholesterol. Shao, G., et al. Treatment of hyperlipidaemia with Cordyceps sinensis Intl J Orient Med 15(2), 1990: 77-80.
Safety of Cordyceps
Coryceps has an extremely high safety profile and there are no adverse reports from its use in the medical literature. Note that if a person is using blood sugar lowering medications then they will likely find their levels dropping significantly after using Cordyceps for a while (of course this would be a reason to use less of the drug, not the herb!)
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I have used Cordyceps for many hundreds of patients and I have developed a strong trust in its ability to deliver a potent tonic action when needed. The people I most often use it for have a weakening in their heart, lungs or kidneys that may sometimes be obvious in their health problems but more often just shows in their complexion, the appearance of their tongue, the sound of their heart or the kind of debris I see littered in their blood plasma. If they are quite unwell I will use two concentrated capsules of Cordyceps twice a day until they are noticeably improved then reduce the dose to just two a day if we need to keep the tonic effect going for some time.
There are many Cordyceps products on the market. Like every other herb it is truly a case of caveat emptor (buyer beware) and you should know that historically there has been a great deal of adulteration and frank dishonesty in the supply of Cordyceps. In my opinion along with a number of esteemed colleagues I believe that, at the time of writing, the best place to get Cordyceps is from JHS in the USA. http://www.jhsnp.com/ This is a company that only does mushrooms and it does them really well (disclaimer: I have no financial interest in this company other than that I use their products) JHS ship all over the world so if you do not have a herbalist or herbal supplier that already have them or can get them for you then you will still be able to do it yourself.
Cordyceps combines perfectly with, Panax Ginseng and Withania as general health and energy tonics. I think it also works beautifully with Juniper for the kidneys and with Hawthorn for the heart.
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Much of the information here about the traditional uses of Cordyceps is consistent with the model of thinking whereby one may treat problem A with plant B.
There is value in this approach, especially in how it helps us pass on useful knowledge to one another, but it falls short in one vital area; and that is that people are not all cut from the same cloth! Something that works brilliantly for one person may do less for another- why is this?
The reason is that people vary in their constitutions as to whether they are more hot or cool and at the same time more dry or damp; more info about this here.
There is an old wisdom in treating the person first and the condition second and in this light Cordyceps can particularly offer its benefits when a nourishing action is needed in the 'cycle of healing' - something that is discussed here and shown in a chart here.
Clinical studies on Cordyceps in the treatment of cancer
Numerous clinical studies have been conducted in China and Japan involving cancer patients; 37 of them yielding clearly positive results.
In one study of 50 patients with lung cancer who were administered C. sinensis at 6 grams per day, in conjunction with chemotherapy, tumors were reduced in size in 46% of the patients studied.
Another trial involving cancer patients with several different types of tumors found that C. sinensis, taken over a 2-month period at 6 g per day, improved subjective symptoms in the majority of patients, white blood cell counts were kept at 3000 per cubic millimeter or higher and, even with radiation or chemotherapy, other immunological parameters showed no significant change, whereas tumor size was significantly reduced in approximately half of the patients observed, indicating an improved tolerance for radiation and/ or chemotherapy.
A serious side effect to the use of conventional cancer chemotherapy and radiation therapy is the suppression of the patient’s immune system. The use of C. sinensis in combination with conventional chemotherapy appears to have an immunostimulatory effect, which enhances the effectiveness of conventional chemotherapy by balancing its side effects. (Zhou J-S, Halpern G, Jones K. The scientifi c rediscovery of an ancient Chinese herbal medicine: Cordyceps sinensis. J Altern Complement Med. 1998;4:429–57)
Please understand that I cannot personally advise you, including on products or dosage, without seeing you in my clinic but ideas
on how you might find a good herbalist in your area are here.
This living 'book' is my labour of love so, wherever you are, I wish you peace & good health!
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